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*       www.FindStat.org - The Combinatorial Statistic Finder               *
*                                                                           *
*       Copyright (C) 2019 The FindStatCrew <info@findstat.org>             *
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*    This information is distributed in the hope that it will be useful,    *
*    but WITHOUT ANY WARRANTY; without even the implied warranty of         *
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                   *
*****************************************************************************

-----------------------------------------------------------------------------
Statistic identifier: St000255

-----------------------------------------------------------------------------
Collection: Permutations

-----------------------------------------------------------------------------
Description: The number of reduced Kogan faces with the permutation as type.

This is equivalent to finding the number of ways to represent the permutation $\pi \in S_{n+1}$ as a reduced subword of $s_n (s_{n-1} s_n) (s_{n-2} s_{n-1} s_n) \dotsm (s_1 \dotsm s_n)$, or the number of reduced pipe dreams for $\pi$.

-----------------------------------------------------------------------------
References: [1]   Kirichenko, V. A., Smirnov, E. Y., Timorin, V. A. Schubert calculus and Gelfand-Zetlin polytopes [[DOI:10.1070/rm2012v067n04abeh004804]] [[arXiv:1101.0278]]

-----------------------------------------------------------------------------
Code:
def statistic(pi):
    n = len(pi)
    if pi == Permutations(n).one():
        return 1
    else:
        S = Word([j for i in range(n, 0, -1) for j in range(i, n+1)])
        return sum(S.number_of_subword_occurrences(Word(w)) for w in pi.reduced_words())

-----------------------------------------------------------------------------
Statistic values:

[1]             => 1
[1,2]           => 1
[2,1]           => 1
[1,2,3]         => 1
[1,3,2]         => 2
[2,1,3]         => 1
[2,3,1]         => 1
[3,1,2]         => 1
[3,2,1]         => 1
[1,2,3,4]       => 1
[1,2,4,3]       => 3
[1,3,2,4]       => 2
[1,3,4,2]       => 3
[1,4,2,3]       => 3
[1,4,3,2]       => 5
[2,1,3,4]       => 1
[2,1,4,3]       => 3
[2,3,1,4]       => 1
[2,3,4,1]       => 1
[2,4,1,3]       => 2
[2,4,3,1]       => 2
[3,1,2,4]       => 1
[3,1,4,2]       => 2
[3,2,1,4]       => 1
[3,2,4,1]       => 1
[3,4,1,2]       => 1
[3,4,2,1]       => 1
[4,1,2,3]       => 1
[4,1,3,2]       => 2
[4,2,1,3]       => 1
[4,2,3,1]       => 1
[4,3,1,2]       => 1
[4,3,2,1]       => 1
[1,2,3,4,5]     => 1
[1,2,3,5,4]     => 4
[1,2,4,3,5]     => 3
[1,2,4,5,3]     => 6
[1,2,5,3,4]     => 6
[1,2,5,4,3]     => 14
[1,3,2,4,5]     => 2
[1,3,2,5,4]     => 8
[1,3,4,2,5]     => 3
[1,3,4,5,2]     => 4
[1,3,5,2,4]     => 8
[1,3,5,4,2]     => 11
[1,4,2,3,5]     => 3
[1,4,2,5,3]     => 8
[1,4,3,2,5]     => 5
[1,4,3,5,2]     => 7
[1,4,5,2,3]     => 6
[1,4,5,3,2]     => 9
[1,5,2,3,4]     => 4
[1,5,2,4,3]     => 11
[1,5,3,2,4]     => 7
[1,5,3,4,2]     => 10
[1,5,4,2,3]     => 9
[1,5,4,3,2]     => 14
[2,1,3,4,5]     => 1
[2,1,3,5,4]     => 4
[2,1,4,3,5]     => 3
[2,1,4,5,3]     => 6
[2,1,5,3,4]     => 6
[2,1,5,4,3]     => 14
[2,3,1,4,5]     => 1
[2,3,1,5,4]     => 4
[2,3,4,1,5]     => 1
[2,3,4,5,1]     => 1
[2,3,5,1,4]     => 3
[2,3,5,4,1]     => 3
[2,4,1,3,5]     => 2
[2,4,1,5,3]     => 5
[2,4,3,1,5]     => 2
[2,4,3,5,1]     => 2
[2,4,5,1,3]     => 3
[2,4,5,3,1]     => 3
[2,5,1,3,4]     => 3
[2,5,1,4,3]     => 8
[2,5,3,1,4]     => 3
[2,5,3,4,1]     => 3
[2,5,4,1,3]     => 5
[2,5,4,3,1]     => 5
[3,1,2,4,5]     => 1
[3,1,2,5,4]     => 4
[3,1,4,2,5]     => 2
[3,1,4,5,2]     => 3
[3,1,5,2,4]     => 5
[3,1,5,4,2]     => 8
[3,2,1,4,5]     => 1
[3,2,1,5,4]     => 4
[3,2,4,1,5]     => 1
[3,2,4,5,1]     => 1
[3,2,5,1,4]     => 3
[3,2,5,4,1]     => 3
[3,4,1,2,5]     => 1
[3,4,1,5,2]     => 2
[3,4,2,1,5]     => 1
[3,4,2,5,1]     => 1
[3,4,5,1,2]     => 1
[3,4,5,2,1]     => 1
[3,5,1,2,4]     => 2
[3,5,1,4,2]     => 4
[3,5,2,1,4]     => 2
[3,5,2,4,1]     => 2
[3,5,4,1,2]     => 2
[3,5,4,2,1]     => 2
[4,1,2,3,5]     => 1
[4,1,2,5,3]     => 3
[4,1,3,2,5]     => 2
[4,1,3,5,2]     => 3
[4,1,5,2,3]     => 3
[4,1,5,3,2]     => 5
[4,2,1,3,5]     => 1
[4,2,1,5,3]     => 3
[4,2,3,1,5]     => 1
[4,2,3,5,1]     => 1
[4,2,5,1,3]     => 2
[4,2,5,3,1]     => 2
[4,3,1,2,5]     => 1
[4,3,1,5,2]     => 2
[4,3,2,1,5]     => 1
[4,3,2,5,1]     => 1
[4,3,5,1,2]     => 1
[4,3,5,2,1]     => 1
[4,5,1,2,3]     => 1
[4,5,1,3,2]     => 2
[4,5,2,1,3]     => 1
[4,5,2,3,1]     => 1
[4,5,3,1,2]     => 1
[4,5,3,2,1]     => 1
[5,1,2,3,4]     => 1
[5,1,2,4,3]     => 3
[5,1,3,2,4]     => 2
[5,1,3,4,2]     => 3
[5,1,4,2,3]     => 3
[5,1,4,3,2]     => 5
[5,2,1,3,4]     => 1
[5,2,1,4,3]     => 3
[5,2,3,1,4]     => 1
[5,2,3,4,1]     => 1
[5,2,4,1,3]     => 2
[5,2,4,3,1]     => 2
[5,3,1,2,4]     => 1
[5,3,1,4,2]     => 2
[5,3,2,1,4]     => 1
[5,3,2,4,1]     => 1
[5,3,4,1,2]     => 1
[5,3,4,2,1]     => 1
[5,4,1,2,3]     => 1
[5,4,1,3,2]     => 2
[5,4,2,1,3]     => 1
[5,4,2,3,1]     => 1
[5,4,3,1,2]     => 1
[5,4,3,2,1]     => 1
[1,2,3,4,5,6]   => 1
[1,2,3,4,6,5]   => 5
[1,2,3,5,4,6]   => 4
[1,2,3,5,6,4]   => 10
[1,2,3,6,4,5]   => 10
[1,2,3,6,5,4]   => 30
[1,2,4,3,5,6]   => 3
[1,2,4,3,6,5]   => 15
[1,2,4,5,3,6]   => 6
[1,2,4,5,6,3]   => 10
[1,2,4,6,3,5]   => 20
[1,2,4,6,5,3]   => 35
[1,2,5,3,4,6]   => 6
[1,2,5,3,6,4]   => 20
[1,2,5,4,3,6]   => 14
[1,2,5,4,6,3]   => 25
[1,2,5,6,3,4]   => 20
[1,2,5,6,4,3]   => 40
[1,2,6,3,4,5]   => 10
[1,2,6,3,5,4]   => 35
[1,2,6,4,3,5]   => 25
[1,2,6,4,5,3]   => 46
[1,2,6,5,3,4]   => 40
[1,2,6,5,4,3]   => 84
[1,3,2,4,5,6]   => 2
[1,3,2,4,6,5]   => 10
[1,3,2,5,4,6]   => 8
[1,3,2,5,6,4]   => 20
[1,3,2,6,4,5]   => 20
[1,3,2,6,5,4]   => 60
[1,3,4,2,5,6]   => 3
[1,3,4,2,6,5]   => 15
[1,3,4,5,2,6]   => 4
[1,3,4,5,6,2]   => 5
[1,3,4,6,2,5]   => 15
[1,3,4,6,5,2]   => 19
[1,3,5,2,4,6]   => 8
[1,3,5,2,6,4]   => 25
[1,3,5,4,2,6]   => 11
[1,3,5,4,6,2]   => 14
[1,3,5,6,2,4]   => 20
[1,3,5,6,4,2]   => 26
[1,3,6,2,4,5]   => 15
[1,3,6,2,5,4]   => 51
[1,3,6,4,2,5]   => 21
[1,3,6,4,5,2]   => 27
[1,3,6,5,2,4]   => 44
[1,3,6,5,4,2]   => 58
[1,4,2,3,5,6]   => 3
[1,4,2,3,6,5]   => 15
[1,4,2,5,3,6]   => 8
[1,4,2,5,6,3]   => 15
[1,4,2,6,3,5]   => 25
[1,4,2,6,5,3]   => 51
[1,4,3,2,5,6]   => 5
[1,4,3,2,6,5]   => 25
[1,4,3,5,2,6]   => 7
[1,4,3,5,6,2]   => 9
[1,4,3,6,2,5]   => 26
[1,4,3,6,5,2]   => 34
[1,4,5,2,3,6]   => 6
[1,4,5,2,6,3]   => 15
[1,4,5,3,2,6]   => 9
[1,4,5,3,6,2]   => 12
[1,4,5,6,2,3]   => 10
[1,4,5,6,3,2]   => 14
[1,4,6,2,3,5]   => 15
[1,4,6,2,5,3]   => 38
[1,4,6,3,2,5]   => 23
[1,4,6,3,5,2]   => 31
[1,4,6,5,2,3]   => 26
[1,4,6,5,3,2]   => 37
[1,5,2,3,4,6]   => 4
[1,5,2,3,6,4]   => 15
[1,5,2,4,3,6]   => 11
[1,5,2,4,6,3]   => 21
[1,5,2,6,3,4]   => 20
[1,5,2,6,4,3]   => 44
[1,5,3,2,4,6]   => 7
[1,5,3,2,6,4]   => 26
[1,5,3,4,2,6]   => 10
[1,5,3,4,6,2]   => 13
[1,5,3,6,2,4]   => 24
[1,5,3,6,4,2]   => 32
[1,5,4,2,3,6]   => 9
[1,5,4,2,6,3]   => 23
[1,5,4,3,2,6]   => 14
[1,5,4,3,6,2]   => 19
[1,5,4,6,2,3]   => 16
[1,5,4,6,3,2]   => 23
[1,5,6,2,3,4]   => 10
[1,5,6,2,4,3]   => 26
[1,5,6,3,2,4]   => 16
[1,5,6,3,4,2]   => 22
[1,5,6,4,2,3]   => 19
[1,5,6,4,3,2]   => 28
[1,6,2,3,4,5]   => 5
[1,6,2,3,5,4]   => 19
[1,6,2,4,3,5]   => 14
[1,6,2,4,5,3]   => 27
[1,6,2,5,3,4]   => 26
[1,6,2,5,4,3]   => 58
[1,6,3,2,4,5]   => 9
[1,6,3,2,5,4]   => 34
[1,6,3,4,2,5]   => 13
[1,6,3,4,5,2]   => 17
[1,6,3,5,2,4]   => 32
[1,6,3,5,4,2]   => 43
[1,6,4,2,3,5]   => 12
[1,6,4,2,5,3]   => 31
[1,6,4,3,2,5]   => 19
[1,6,4,3,5,2]   => 26
[1,6,4,5,2,3]   => 22
[1,6,4,5,3,2]   => 32
[1,6,5,2,3,4]   => 14
[1,6,5,2,4,3]   => 37
[1,6,5,3,2,4]   => 23
[1,6,5,3,4,2]   => 32
[1,6,5,4,2,3]   => 28
[1,6,5,4,3,2]   => 42
[2,1,3,4,5,6]   => 1
[2,1,3,4,6,5]   => 5
[2,1,3,5,4,6]   => 4
[2,1,3,5,6,4]   => 10
[2,1,3,6,4,5]   => 10
[2,1,3,6,5,4]   => 30
[2,1,4,3,5,6]   => 3
[2,1,4,3,6,5]   => 15
[2,1,4,5,3,6]   => 6
[2,1,4,5,6,3]   => 10
[2,1,4,6,3,5]   => 20
[2,1,4,6,5,3]   => 35
[2,1,5,3,4,6]   => 6
[2,1,5,3,6,4]   => 20
[2,1,5,4,3,6]   => 14
[2,1,5,4,6,3]   => 25
[2,1,5,6,3,4]   => 20
[2,1,5,6,4,3]   => 40
[2,1,6,3,4,5]   => 10
[2,1,6,3,5,4]   => 35
[2,1,6,4,3,5]   => 25
[2,1,6,4,5,3]   => 46
[2,1,6,5,3,4]   => 40
[2,1,6,5,4,3]   => 84
[2,3,1,4,5,6]   => 1
[2,3,1,4,6,5]   => 5
[2,3,1,5,4,6]   => 4
[2,3,1,5,6,4]   => 10
[2,3,1,6,4,5]   => 10
[2,3,1,6,5,4]   => 30
[2,3,4,1,5,6]   => 1
[2,3,4,1,6,5]   => 5
[2,3,4,5,1,6]   => 1
[2,3,4,5,6,1]   => 1
[2,3,4,6,1,5]   => 4
[2,3,4,6,5,1]   => 4
[2,3,5,1,4,6]   => 3
[2,3,5,1,6,4]   => 9
[2,3,5,4,1,6]   => 3
[2,3,5,4,6,1]   => 3
[2,3,5,6,1,4]   => 6
[2,3,5,6,4,1]   => 6
[2,3,6,1,4,5]   => 6
[2,3,6,1,5,4]   => 20
[2,3,6,4,1,5]   => 6
[2,3,6,4,5,1]   => 6
[2,3,6,5,1,4]   => 14
[2,3,6,5,4,1]   => 14
[2,4,1,3,5,6]   => 2
[2,4,1,3,6,5]   => 10
[2,4,1,5,3,6]   => 5
[2,4,1,5,6,3]   => 9
[2,4,1,6,3,5]   => 16
[2,4,1,6,5,3]   => 31
[2,4,3,1,5,6]   => 2
[2,4,3,1,6,5]   => 10
[2,4,3,5,1,6]   => 2
[2,4,3,5,6,1]   => 2
[2,4,3,6,1,5]   => 8
[2,4,3,6,5,1]   => 8
[2,4,5,1,3,6]   => 3
[2,4,5,1,6,3]   => 7
[2,4,5,3,1,6]   => 3
[2,4,5,3,6,1]   => 3
[2,4,5,6,1,3]   => 4
[2,4,5,6,3,1]   => 4
[2,4,6,1,3,5]   => 8
[2,4,6,1,5,3]   => 19
[2,4,6,3,1,5]   => 8
[2,4,6,3,5,1]   => 8
[2,4,6,5,1,3]   => 11
[2,4,6,5,3,1]   => 11
[2,5,1,3,4,6]   => 3
[2,5,1,3,6,4]   => 11
[2,5,1,4,3,6]   => 8
[2,5,1,4,6,3]   => 15
[2,5,1,6,3,4]   => 14
[2,5,1,6,4,3]   => 30
[2,5,3,1,4,6]   => 3
[2,5,3,1,6,4]   => 11
[2,5,3,4,1,6]   => 3
[2,5,3,4,6,1]   => 3
[2,5,3,6,1,4]   => 8
[2,5,3,6,4,1]   => 8
[2,5,4,1,3,6]   => 5
[2,5,4,1,6,3]   => 12
[2,5,4,3,1,6]   => 5
[2,5,4,3,6,1]   => 5
[2,5,4,6,1,3]   => 7
[2,5,4,6,3,1]   => 7
[2,5,6,1,3,4]   => 6
[2,5,6,1,4,3]   => 15
[2,5,6,3,1,4]   => 6
[2,5,6,3,4,1]   => 6
[2,5,6,4,1,3]   => 9
[2,5,6,4,3,1]   => 9
[2,6,1,3,4,5]   => 4
[2,6,1,3,5,4]   => 15
[2,6,1,4,3,5]   => 11
[2,6,1,4,5,3]   => 21
[2,6,1,5,3,4]   => 20
[2,6,1,5,4,3]   => 44
[2,6,3,1,4,5]   => 4
[2,6,3,1,5,4]   => 15
[2,6,3,4,1,5]   => 4
[2,6,3,4,5,1]   => 4
[2,6,3,5,1,4]   => 11
[2,6,3,5,4,1]   => 11
[2,6,4,1,3,5]   => 7
[2,6,4,1,5,3]   => 17
[2,6,4,3,1,5]   => 7
[2,6,4,3,5,1]   => 7
[2,6,4,5,1,3]   => 10
[2,6,4,5,3,1]   => 10
[2,6,5,1,3,4]   => 9
[2,6,5,1,4,3]   => 23
[2,6,5,3,1,4]   => 9
[2,6,5,3,4,1]   => 9
[2,6,5,4,1,3]   => 14
[2,6,5,4,3,1]   => 14
[3,1,2,4,5,6]   => 1
[3,1,2,4,6,5]   => 5
[3,1,2,5,4,6]   => 4
[3,1,2,5,6,4]   => 10
[3,1,2,6,4,5]   => 10
[3,1,2,6,5,4]   => 30
[3,1,4,2,5,6]   => 2
[3,1,4,2,6,5]   => 10
[3,1,4,5,2,6]   => 3
[3,1,4,5,6,2]   => 4
[3,1,4,6,2,5]   => 11
[3,1,4,6,5,2]   => 15
[3,1,5,2,4,6]   => 5
[3,1,5,2,6,4]   => 16
[3,1,5,4,2,6]   => 8
[3,1,5,4,6,2]   => 11
[3,1,5,6,2,4]   => 14
[3,1,5,6,4,2]   => 20
[3,1,6,2,4,5]   => 9
[3,1,6,2,5,4]   => 31
[3,1,6,4,2,5]   => 15
[3,1,6,4,5,2]   => 21
[3,1,6,5,2,4]   => 30
[3,1,6,5,4,2]   => 44
[3,2,1,4,5,6]   => 1
[3,2,1,4,6,5]   => 5
[3,2,1,5,4,6]   => 4
[3,2,1,5,6,4]   => 10
[3,2,1,6,4,5]   => 10
[3,2,1,6,5,4]   => 30
[3,2,4,1,5,6]   => 1
[3,2,4,1,6,5]   => 5
[3,2,4,5,1,6]   => 1
[3,2,4,5,6,1]   => 1
[3,2,4,6,1,5]   => 4
[3,2,4,6,5,1]   => 4
[3,2,5,1,4,6]   => 3
[3,2,5,1,6,4]   => 9
[3,2,5,4,1,6]   => 3
[3,2,5,4,6,1]   => 3
[3,2,5,6,1,4]   => 6
[3,2,5,6,4,1]   => 6
[3,2,6,1,4,5]   => 6
[3,2,6,1,5,4]   => 20
[3,2,6,4,1,5]   => 6
[3,2,6,4,5,1]   => 6
[3,2,6,5,1,4]   => 14
[3,2,6,5,4,1]   => 14
[3,4,1,2,5,6]   => 1
[3,4,1,2,6,5]   => 5
[3,4,1,5,2,6]   => 2
[3,4,1,5,6,2]   => 3
[3,4,1,6,2,5]   => 7
[3,4,1,6,5,2]   => 11
[3,4,2,1,5,6]   => 1
[3,4,2,1,6,5]   => 5
[3,4,2,5,1,6]   => 1
[3,4,2,5,6,1]   => 1
[3,4,2,6,1,5]   => 4
[3,4,2,6,5,1]   => 4
[3,4,5,1,2,6]   => 1
[3,4,5,1,6,2]   => 2
[3,4,5,2,1,6]   => 1
[3,4,5,2,6,1]   => 1
[3,4,5,6,1,2]   => 1
[3,4,5,6,2,1]   => 1
[3,4,6,1,2,5]   => 3
[3,4,6,1,5,2]   => 6
[3,4,6,2,1,5]   => 3
[3,4,6,2,5,1]   => 3
[3,4,6,5,1,2]   => 3
[3,4,6,5,2,1]   => 3
[3,5,1,2,4,6]   => 2
[3,5,1,2,6,4]   => 7
[3,5,1,4,2,6]   => 4
[3,5,1,4,6,2]   => 6
[3,5,1,6,2,4]   => 8
[3,5,1,6,4,2]   => 13
[3,5,2,1,4,6]   => 2
[3,5,2,1,6,4]   => 7
[3,5,2,4,1,6]   => 2
[3,5,2,4,6,1]   => 2
[3,5,2,6,1,4]   => 5
[3,5,2,6,4,1]   => 5
[3,5,4,1,2,6]   => 2
[3,5,4,1,6,2]   => 4
[3,5,4,2,1,6]   => 2
[3,5,4,2,6,1]   => 2
[3,5,4,6,1,2]   => 2
[3,5,4,6,2,1]   => 2
[3,5,6,1,2,4]   => 3
[3,5,6,1,4,2]   => 6
[3,5,6,2,1,4]   => 3
[3,5,6,2,4,1]   => 3
[3,5,6,4,1,2]   => 3
[3,5,6,4,2,1]   => 3
[3,6,1,2,4,5]   => 3
[3,6,1,2,5,4]   => 11
[3,6,1,4,2,5]   => 6
[3,6,1,4,5,2]   => 9
[3,6,1,5,2,4]   => 13
[3,6,1,5,4,2]   => 21
[3,6,2,1,4,5]   => 3
[3,6,2,1,5,4]   => 11
[3,6,2,4,1,5]   => 3
[3,6,2,4,5,1]   => 3
[3,6,2,5,1,4]   => 8
[3,6,2,5,4,1]   => 8
[3,6,4,1,2,5]   => 3
[3,6,4,1,5,2]   => 6
[3,6,4,2,1,5]   => 3
[3,6,4,2,5,1]   => 3
[3,6,4,5,1,2]   => 3
[3,6,4,5,2,1]   => 3
[3,6,5,1,2,4]   => 5
[3,6,5,1,4,2]   => 10
[3,6,5,2,1,4]   => 5
[3,6,5,2,4,1]   => 5
[3,6,5,4,1,2]   => 5
[3,6,5,4,2,1]   => 5
[4,1,2,3,5,6]   => 1
[4,1,2,3,6,5]   => 5
[4,1,2,5,3,6]   => 3
[4,1,2,5,6,3]   => 6
[4,1,2,6,3,5]   => 9
[4,1,2,6,5,3]   => 20
[4,1,3,2,5,6]   => 2
[4,1,3,2,6,5]   => 10
[4,1,3,5,2,6]   => 3
[4,1,3,5,6,2]   => 4
[4,1,3,6,2,5]   => 11
[4,1,3,6,5,2]   => 15
[4,1,5,2,3,6]   => 3
[4,1,5,2,6,3]   => 8
[4,1,5,3,2,6]   => 5
[4,1,5,3,6,2]   => 7
[4,1,5,6,2,3]   => 6
[4,1,5,6,3,2]   => 9
[4,1,6,2,3,5]   => 7
[4,1,6,2,5,3]   => 19
[4,1,6,3,2,5]   => 12
[4,1,6,3,5,2]   => 17
[4,1,6,5,2,3]   => 15
[4,1,6,5,3,2]   => 23
[4,2,1,3,5,6]   => 1
[4,2,1,3,6,5]   => 5
[4,2,1,5,3,6]   => 3
[4,2,1,5,6,3]   => 6
[4,2,1,6,3,5]   => 9
[4,2,1,6,5,3]   => 20
[4,2,3,1,5,6]   => 1
[4,2,3,1,6,5]   => 5
[4,2,3,5,1,6]   => 1
[4,2,3,5,6,1]   => 1
[4,2,3,6,1,5]   => 4
[4,2,3,6,5,1]   => 4
[4,2,5,1,3,6]   => 2
[4,2,5,1,6,3]   => 5
[4,2,5,3,1,6]   => 2
[4,2,5,3,6,1]   => 2
[4,2,5,6,1,3]   => 3
[4,2,5,6,3,1]   => 3
[4,2,6,1,3,5]   => 5
[4,2,6,1,5,3]   => 13
[4,2,6,3,1,5]   => 5
[4,2,6,3,5,1]   => 5
[4,2,6,5,1,3]   => 8
[4,2,6,5,3,1]   => 8
[4,3,1,2,5,6]   => 1
[4,3,1,2,6,5]   => 5
[4,3,1,5,2,6]   => 2
[4,3,1,5,6,2]   => 3
[4,3,1,6,2,5]   => 7
[4,3,1,6,5,2]   => 11
[4,3,2,1,5,6]   => 1
[4,3,2,1,6,5]   => 5
[4,3,2,5,1,6]   => 1
[4,3,2,5,6,1]   => 1
[4,3,2,6,1,5]   => 4
[4,3,2,6,5,1]   => 4
[4,3,5,1,2,6]   => 1
[4,3,5,1,6,2]   => 2
[4,3,5,2,1,6]   => 1
[4,3,5,2,6,1]   => 1
[4,3,5,6,1,2]   => 1
[4,3,5,6,2,1]   => 1
[4,3,6,1,2,5]   => 3
[4,3,6,1,5,2]   => 6
[4,3,6,2,1,5]   => 3
[4,3,6,2,5,1]   => 3
[4,3,6,5,1,2]   => 3
[4,3,6,5,2,1]   => 3
[4,5,1,2,3,6]   => 1
[4,5,1,2,6,3]   => 3
[4,5,1,3,2,6]   => 2
[4,5,1,3,6,2]   => 3
[4,5,1,6,2,3]   => 3
[4,5,1,6,3,2]   => 5
[4,5,2,1,3,6]   => 1
[4,5,2,1,6,3]   => 3
[4,5,2,3,1,6]   => 1
[4,5,2,3,6,1]   => 1
[4,5,2,6,1,3]   => 2
[4,5,2,6,3,1]   => 2
[4,5,3,1,2,6]   => 1
[4,5,3,1,6,2]   => 2
[4,5,3,2,1,6]   => 1
[4,5,3,2,6,1]   => 1
[4,5,3,6,1,2]   => 1
[4,5,3,6,2,1]   => 1
[4,5,6,1,2,3]   => 1
[4,5,6,1,3,2]   => 2
[4,5,6,2,1,3]   => 1
[4,5,6,2,3,1]   => 1
[4,5,6,3,1,2]   => 1
[4,5,6,3,2,1]   => 1
[4,6,1,2,3,5]   => 2
[4,6,1,2,5,3]   => 6
[4,6,1,3,2,5]   => 4
[4,6,1,3,5,2]   => 6
[4,6,1,5,2,3]   => 6
[4,6,1,5,3,2]   => 10
[4,6,2,1,3,5]   => 2
[4,6,2,1,5,3]   => 6
[4,6,2,3,1,5]   => 2
[4,6,2,3,5,1]   => 2
[4,6,2,5,1,3]   => 4
[4,6,2,5,3,1]   => 4
[4,6,3,1,2,5]   => 2
[4,6,3,1,5,2]   => 4
[4,6,3,2,1,5]   => 2
[4,6,3,2,5,1]   => 2
[4,6,3,5,1,2]   => 2
[4,6,3,5,2,1]   => 2
[4,6,5,1,2,3]   => 2
[4,6,5,1,3,2]   => 4
[4,6,5,2,1,3]   => 2
[4,6,5,2,3,1]   => 2
[4,6,5,3,1,2]   => 2
[4,6,5,3,2,1]   => 2
[5,1,2,3,4,6]   => 1
[5,1,2,3,6,4]   => 4
[5,1,2,4,3,6]   => 3
[5,1,2,4,6,3]   => 6
[5,1,2,6,3,4]   => 6
[5,1,2,6,4,3]   => 14
[5,1,3,2,4,6]   => 2
[5,1,3,2,6,4]   => 8
[5,1,3,4,2,6]   => 3
[5,1,3,4,6,2]   => 4
[5,1,3,6,2,4]   => 8
[5,1,3,6,4,2]   => 11
[5,1,4,2,3,6]   => 3
[5,1,4,2,6,3]   => 8
[5,1,4,3,2,6]   => 5
[5,1,4,3,6,2]   => 7
[5,1,4,6,2,3]   => 6
[5,1,4,6,3,2]   => 9
[5,1,6,2,3,4]   => 4
[5,1,6,2,4,3]   => 11
[5,1,6,3,2,4]   => 7
[5,1,6,3,4,2]   => 10
[5,1,6,4,2,3]   => 9
[5,1,6,4,3,2]   => 14
[5,2,1,3,4,6]   => 1
[5,2,1,3,6,4]   => 4
[5,2,1,4,3,6]   => 3
[5,2,1,4,6,3]   => 6
[5,2,1,6,3,4]   => 6
[5,2,1,6,4,3]   => 14
[5,2,3,1,4,6]   => 1
[5,2,3,1,6,4]   => 4
[5,2,3,4,1,6]   => 1
[5,2,3,4,6,1]   => 1
[5,2,3,6,1,4]   => 3
[5,2,3,6,4,1]   => 3
[5,2,4,1,3,6]   => 2
[5,2,4,1,6,3]   => 5
[5,2,4,3,1,6]   => 2
[5,2,4,3,6,1]   => 2
[5,2,4,6,1,3]   => 3
[5,2,4,6,3,1]   => 3
[5,2,6,1,3,4]   => 3
[5,2,6,1,4,3]   => 8
[5,2,6,3,1,4]   => 3
[5,2,6,3,4,1]   => 3
[5,2,6,4,1,3]   => 5
[5,2,6,4,3,1]   => 5
[5,3,1,2,4,6]   => 1
[5,3,1,2,6,4]   => 4
[5,3,1,4,2,6]   => 2
[5,3,1,4,6,2]   => 3
[5,3,1,6,2,4]   => 5
[5,3,1,6,4,2]   => 8
[5,3,2,1,4,6]   => 1
[5,3,2,1,6,4]   => 4
[5,3,2,4,1,6]   => 1
[5,3,2,4,6,1]   => 1
[5,3,2,6,1,4]   => 3
[5,3,2,6,4,1]   => 3
[5,3,4,1,2,6]   => 1
[5,3,4,1,6,2]   => 2
[5,3,4,2,1,6]   => 1
[5,3,4,2,6,1]   => 1
[5,3,4,6,1,2]   => 1
[5,3,4,6,2,1]   => 1
[5,3,6,1,2,4]   => 2
[5,3,6,1,4,2]   => 4
[5,3,6,2,1,4]   => 2
[5,3,6,2,4,1]   => 2
[5,3,6,4,1,2]   => 2
[5,3,6,4,2,1]   => 2
[5,4,1,2,3,6]   => 1
[5,4,1,2,6,3]   => 3
[5,4,1,3,2,6]   => 2
[5,4,1,3,6,2]   => 3
[5,4,1,6,2,3]   => 3
[5,4,1,6,3,2]   => 5
[5,4,2,1,3,6]   => 1
[5,4,2,1,6,3]   => 3
[5,4,2,3,1,6]   => 1
[5,4,2,3,6,1]   => 1
[5,4,2,6,1,3]   => 2
[5,4,2,6,3,1]   => 2
[5,4,3,1,2,6]   => 1
[5,4,3,1,6,2]   => 2
[5,4,3,2,1,6]   => 1
[5,4,3,2,6,1]   => 1
[5,4,3,6,1,2]   => 1
[5,4,3,6,2,1]   => 1
[5,4,6,1,2,3]   => 1
[5,4,6,1,3,2]   => 2
[5,4,6,2,1,3]   => 1
[5,4,6,2,3,1]   => 1
[5,4,6,3,1,2]   => 1
[5,4,6,3,2,1]   => 1
[5,6,1,2,3,4]   => 1
[5,6,1,2,4,3]   => 3
[5,6,1,3,2,4]   => 2
[5,6,1,3,4,2]   => 3
[5,6,1,4,2,3]   => 3
[5,6,1,4,3,2]   => 5
[5,6,2,1,3,4]   => 1
[5,6,2,1,4,3]   => 3
[5,6,2,3,1,4]   => 1
[5,6,2,3,4,1]   => 1
[5,6,2,4,1,3]   => 2
[5,6,2,4,3,1]   => 2
[5,6,3,1,2,4]   => 1
[5,6,3,1,4,2]   => 2
[5,6,3,2,1,4]   => 1
[5,6,3,2,4,1]   => 1
[5,6,3,4,1,2]   => 1
[5,6,3,4,2,1]   => 1
[5,6,4,1,2,3]   => 1
[5,6,4,1,3,2]   => 2
[5,6,4,2,1,3]   => 1
[5,6,4,2,3,1]   => 1
[5,6,4,3,1,2]   => 1
[5,6,4,3,2,1]   => 1
[6,1,2,3,4,5]   => 1
[6,1,2,3,5,4]   => 4
[6,1,2,4,3,5]   => 3
[6,1,2,4,5,3]   => 6
[6,1,2,5,3,4]   => 6
[6,1,2,5,4,3]   => 14
[6,1,3,2,4,5]   => 2
[6,1,3,2,5,4]   => 8
[6,1,3,4,2,5]   => 3
[6,1,3,4,5,2]   => 4
[6,1,3,5,2,4]   => 8
[6,1,3,5,4,2]   => 11
[6,1,4,2,3,5]   => 3
[6,1,4,2,5,3]   => 8
[6,1,4,3,2,5]   => 5
[6,1,4,3,5,2]   => 7
[6,1,4,5,2,3]   => 6
[6,1,4,5,3,2]   => 9
[6,1,5,2,3,4]   => 4
[6,1,5,2,4,3]   => 11
[6,1,5,3,2,4]   => 7
[6,1,5,3,4,2]   => 10
[6,1,5,4,2,3]   => 9
[6,1,5,4,3,2]   => 14
[6,2,1,3,4,5]   => 1
[6,2,1,3,5,4]   => 4
[6,2,1,4,3,5]   => 3
[6,2,1,4,5,3]   => 6
[6,2,1,5,3,4]   => 6
[6,2,1,5,4,3]   => 14
[6,2,3,1,4,5]   => 1
[6,2,3,1,5,4]   => 4
[6,2,3,4,1,5]   => 1
[6,2,3,4,5,1]   => 1
[6,2,3,5,1,4]   => 3
[6,2,3,5,4,1]   => 3
[6,2,4,1,3,5]   => 2
[6,2,4,1,5,3]   => 5
[6,2,4,3,1,5]   => 2
[6,2,4,3,5,1]   => 2
[6,2,4,5,1,3]   => 3
[6,2,4,5,3,1]   => 3
[6,2,5,1,3,4]   => 3
[6,2,5,1,4,3]   => 8
[6,2,5,3,1,4]   => 3
[6,2,5,3,4,1]   => 3
[6,2,5,4,1,3]   => 5
[6,2,5,4,3,1]   => 5
[6,3,1,2,4,5]   => 1
[6,3,1,2,5,4]   => 4
[6,3,1,4,2,5]   => 2
[6,3,1,4,5,2]   => 3
[6,3,1,5,2,4]   => 5
[6,3,1,5,4,2]   => 8
[6,3,2,1,4,5]   => 1
[6,3,2,1,5,4]   => 4
[6,3,2,4,1,5]   => 1
[6,3,2,4,5,1]   => 1
[6,3,2,5,1,4]   => 3
[6,3,2,5,4,1]   => 3
[6,3,4,1,2,5]   => 1
[6,3,4,1,5,2]   => 2
[6,3,4,2,1,5]   => 1
[6,3,4,2,5,1]   => 1
[6,3,4,5,1,2]   => 1
[6,3,4,5,2,1]   => 1
[6,3,5,1,2,4]   => 2
[6,3,5,1,4,2]   => 4
[6,3,5,2,1,4]   => 2
[6,3,5,2,4,1]   => 2
[6,3,5,4,1,2]   => 2
[6,3,5,4,2,1]   => 2
[6,4,1,2,3,5]   => 1
[6,4,1,2,5,3]   => 3
[6,4,1,3,2,5]   => 2
[6,4,1,3,5,2]   => 3
[6,4,1,5,2,3]   => 3
[6,4,1,5,3,2]   => 5
[6,4,2,1,3,5]   => 1
[6,4,2,1,5,3]   => 3
[6,4,2,3,1,5]   => 1
[6,4,2,3,5,1]   => 1
[6,4,2,5,1,3]   => 2
[6,4,2,5,3,1]   => 2
[6,4,3,1,2,5]   => 1
[6,4,3,1,5,2]   => 2
[6,4,3,2,1,5]   => 1
[6,4,3,2,5,1]   => 1
[6,4,3,5,1,2]   => 1
[6,4,3,5,2,1]   => 1
[6,4,5,1,2,3]   => 1
[6,4,5,1,3,2]   => 2
[6,4,5,2,1,3]   => 1
[6,4,5,2,3,1]   => 1
[6,4,5,3,1,2]   => 1
[6,4,5,3,2,1]   => 1
[6,5,1,2,3,4]   => 1
[6,5,1,2,4,3]   => 3
[6,5,1,3,2,4]   => 2
[6,5,1,3,4,2]   => 3
[6,5,1,4,2,3]   => 3
[6,5,1,4,3,2]   => 5
[6,5,2,1,3,4]   => 1
[6,5,2,1,4,3]   => 3
[6,5,2,3,1,4]   => 1
[6,5,2,3,4,1]   => 1
[6,5,2,4,1,3]   => 2
[6,5,2,4,3,1]   => 2
[6,5,3,1,2,4]   => 1
[6,5,3,1,4,2]   => 2
[6,5,3,2,1,4]   => 1
[6,5,3,2,4,1]   => 1
[6,5,3,4,1,2]   => 1
[6,5,3,4,2,1]   => 1
[6,5,4,1,2,3]   => 1
[6,5,4,1,3,2]   => 2
[6,5,4,2,1,3]   => 1
[6,5,4,2,3,1]   => 1
[6,5,4,3,1,2]   => 1
[6,5,4,3,2,1]   => 1
[1,2,3,4,5,6,7] => 1
[1,2,3,4,5,7,6] => 6
[1,2,3,4,6,5,7] => 5
[1,2,3,6,4,7,5] => 40
[1,2,6,3,4,7,5] => 45
[1,3,2,4,5,6,7] => 2
[1,3,7,2,4,5,6] => 24
[1,3,7,6,5,4,2] => 378
[1,4,6,7,2,3,5] => 45
[1,4,6,7,5,3,2] => 97
[1,4,7,2,3,5,6] => 27
[1,4,7,6,5,3,2] => 211
[1,5,2,3,4,7,6] => 24
[1,5,2,7,3,4,6] => 56
[1,5,4,7,6,3,2] => 125
[1,5,6,2,7,3,4] => 45
[1,5,6,4,7,3,2] => 43
[1,5,6,7,2,3,4] => 20
[1,5,6,7,4,3,2] => 48
[1,5,7,2,3,4,6] => 24
[1,5,7,6,4,3,2] => 124
[1,6,2,3,4,7,5] => 24
[1,6,2,3,7,4,5] => 45
[1,6,2,7,3,4,5] => 40
[1,6,5,4,3,7,2] => 56
[1,6,5,4,7,3,2] => 66
[1,6,5,7,4,3,2] => 76
[1,6,7,2,3,4,5] => 15
[1,6,7,5,4,3,2] => 90
[1,7,2,3,4,5,6] => 6
[1,7,3,5,6,4,2] => 122
[1,7,3,6,5,4,2] => 251
[1,7,4,3,6,5,2] => 150
[1,7,4,5,3,6,2] => 54
[1,7,4,5,6,3,2] => 62
[1,7,4,6,5,3,2] => 151
[1,7,5,4,3,6,2] => 75
[1,7,5,4,6,3,2] => 89
[1,7,6,4,5,3,2] => 107
[1,7,6,5,4,3,2] => 132
[2,1,3,4,5,6,7] => 1
[2,1,3,4,7,5,6] => 15
[2,1,3,7,4,5,6] => 20
[2,1,6,3,4,5,7] => 10
[2,1,7,3,4,5,6] => 15
[2,1,7,6,5,4,3] => 594
[2,3,1,4,5,6,7] => 1
[2,3,4,1,5,6,7] => 1
[2,3,4,1,5,7,6] => 6
[2,3,4,5,1,6,7] => 1
[2,3,4,5,1,7,6] => 6
[2,3,4,5,6,1,7] => 1
[2,3,4,5,6,7,1] => 1
[2,3,4,5,7,1,6] => 5
[2,3,4,6,1,7,5] => 14
[2,3,4,6,7,1,5] => 10
[2,3,4,7,1,5,6] => 10
[2,3,5,6,7,1,4] => 10
[2,4,1,3,5,6,7] => 2
[2,5,1,3,4,6,7] => 3
[2,5,7,1,3,4,6] => 15
[2,6,1,3,4,5,7] => 4
[2,6,1,7,3,4,5] => 30
[2,6,5,4,3,1,7] => 14
[2,6,7,1,3,4,5] => 10
[2,7,1,3,4,5,6] => 5
[3,1,2,4,5,6,7] => 1
[3,1,2,4,5,7,6] => 6
[3,2,1,4,5,6,7] => 1
[3,2,4,5,6,7,1] => 1
[3,4,1,2,5,6,7] => 1
[3,4,2,5,6,7,1] => 1
[3,4,5,2,6,7,1] => 1
[3,4,5,6,2,7,1] => 1
[3,4,5,6,7,1,2] => 1
[3,5,6,1,2,4,7] => 3
[3,5,6,4,2,1,7] => 3
[3,6,1,2,4,5,7] => 3
[3,6,5,4,2,1,7] => 5
[4,1,2,3,5,6,7] => 1
[4,1,2,3,5,7,6] => 6
[4,1,6,2,3,5,7] => 7
[4,2,3,5,6,7,1] => 1
[4,2,5,1,3,6,7] => 2
[4,3,2,1,5,6,7] => 1
[4,3,2,5,6,7,1] => 1
[4,3,5,2,6,7,1] => 1
[4,3,6,5,2,1,7] => 3
[4,5,1,6,2,3,7] => 3
[4,5,2,3,6,7,1] => 1
[4,5,3,6,2,1,7] => 1
[4,5,6,1,2,3,7] => 1
[4,5,6,3,2,1,7] => 1
[4,6,1,2,3,5,7] => 2
[4,6,1,2,3,7,5] => 9
[4,6,5,3,2,1,7] => 2
[5,1,2,3,4,6,7] => 1
[5,1,2,3,4,7,6] => 6
[5,1,2,3,6,4,7] => 4
[5,1,2,3,6,7,4] => 10
[5,1,2,3,7,4,6] => 14
[5,1,2,6,3,4,7] => 6
[5,1,6,2,3,4,7] => 4
[5,1,6,2,3,7,4] => 15
[5,2,3,4,6,7,1] => 1
[5,2,6,7,1,3,4] => 6
[5,3,2,4,6,7,1] => 1
[5,3,2,6,1,4,7] => 3
[5,4,3,2,1,6,7] => 1
[5,4,3,2,1,7,6] => 6
[5,4,3,2,6,1,7] => 1
[5,4,3,6,2,1,7] => 1
[5,4,6,3,2,1,7] => 1
[5,6,1,2,3,4,7] => 1
[5,6,1,2,3,7,4] => 4
[5,6,3,4,1,2,7] => 1
[5,6,4,3,2,1,7] => 1
[5,6,7,1,2,3,4] => 1
[6,1,2,3,4,5,7] => 1
[6,1,2,3,4,7,5] => 5
[6,1,2,3,7,4,5] => 10
[6,1,2,7,3,4,5] => 10
[6,2,3,4,5,7,1] => 1
[6,2,4,5,3,1,7] => 3
[6,2,5,4,3,1,7] => 5
[6,3,2,5,4,1,7] => 3
[6,3,4,2,5,1,7] => 1
[6,3,4,5,2,1,7] => 1
[6,3,5,4,2,1,7] => 2
[6,4,3,2,5,1,7] => 1

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Created: Jun 15, 2015 at 18:00 by Per Alexandersson

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Last Updated: May 19, 2023 at 14:57 by Martin Rubey