*****************************************************************************
*       www.FindStat.org - The Combinatorial Statistic Finder               *
*                                                                           *
*       Copyright (C) 2019 The FindStatCrew <info@findstat.org>             *
*                                                                           *
*    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: St000548

-----------------------------------------------------------------------------
Collection: Integer partitions

-----------------------------------------------------------------------------
Description: The number of different non-empty partial sums of an integer partition.

-----------------------------------------------------------------------------
References: 

-----------------------------------------------------------------------------
Code:
def statistic(l):
    return len(set(sum(l[i] for i in X) for X in Subsets(range(len(l)))))-1


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

[]                        => 0
[1]                       => 1
[2]                       => 1
[1,1]                     => 2
[3]                       => 1
[2,1]                     => 3
[1,1,1]                   => 3
[4]                       => 1
[3,1]                     => 3
[2,2]                     => 2
[2,1,1]                   => 4
[1,1,1,1]                 => 4
[5]                       => 1
[4,1]                     => 3
[3,2]                     => 3
[3,1,1]                   => 5
[2,2,1]                   => 5
[2,1,1,1]                 => 5
[1,1,1,1,1]               => 5
[6]                       => 1
[5,1]                     => 3
[4,2]                     => 3
[4,1,1]                   => 5
[3,3]                     => 2
[3,2,1]                   => 6
[3,1,1,1]                 => 6
[2,2,2]                   => 3
[2,2,1,1]                 => 6
[2,1,1,1,1]               => 6
[1,1,1,1,1,1]             => 6
[7]                       => 1
[6,1]                     => 3
[5,2]                     => 3
[5,1,1]                   => 5
[4,3]                     => 3
[4,2,1]                   => 7
[4,1,1,1]                 => 7
[3,3,1]                   => 5
[3,2,2]                   => 5
[3,2,1,1]                 => 7
[3,1,1,1,1]               => 7
[2,2,2,1]                 => 7
[2,2,1,1,1]               => 7
[2,1,1,1,1,1]             => 7
[1,1,1,1,1,1,1]           => 7
[8]                       => 1
[7,1]                     => 3
[6,2]                     => 3
[6,1,1]                   => 5
[5,3]                     => 3
[5,2,1]                   => 7
[5,1,1,1]                 => 7
[4,4]                     => 2
[4,3,1]                   => 6
[4,2,2]                   => 4
[4,2,1,1]                 => 8
[4,1,1,1,1]               => 8
[3,3,2]                   => 5
[3,3,1,1]                 => 8
[3,2,2,1]                 => 8
[3,2,1,1,1]               => 8
[3,1,1,1,1,1]             => 8
[2,2,2,2]                 => 4
[2,2,2,1,1]               => 8
[2,2,1,1,1,1]             => 8
[2,1,1,1,1,1,1]           => 8
[1,1,1,1,1,1,1,1]         => 8
[9]                       => 1
[8,1]                     => 3
[7,2]                     => 3
[7,1,1]                   => 5
[6,3]                     => 3
[6,2,1]                   => 7
[6,1,1,1]                 => 7
[5,4]                     => 3
[5,3,1]                   => 7
[5,2,2]                   => 5
[5,2,1,1]                 => 9
[5,1,1,1,1]               => 9
[4,4,1]                   => 5
[4,3,2]                   => 7
[4,3,1,1]                 => 9
[4,2,2,1]                 => 9
[4,2,1,1,1]               => 9
[4,1,1,1,1,1]             => 9
[3,3,3]                   => 3
[3,3,2,1]                 => 9
[3,3,1,1,1]               => 9
[3,2,2,2]                 => 7
[3,2,2,1,1]               => 9
[3,2,1,1,1,1]             => 9
[3,1,1,1,1,1,1]           => 9
[2,2,2,2,1]               => 9
[2,2,2,1,1,1]             => 9
[2,2,1,1,1,1,1]           => 9
[2,1,1,1,1,1,1,1]         => 9
[1,1,1,1,1,1,1,1,1]       => 9
[10]                      => 1
[9,1]                     => 3
[8,2]                     => 3
[8,1,1]                   => 5
[7,3]                     => 3
[7,2,1]                   => 7
[7,1,1,1]                 => 7
[6,4]                     => 3
[6,3,1]                   => 7
[6,2,2]                   => 5
[6,2,1,1]                 => 9
[6,1,1,1,1]               => 9
[5,5]                     => 2
[5,4,1]                   => 6
[5,3,2]                   => 6
[5,3,1,1]                 => 10
[5,2,2,1]                 => 10
[5,2,1,1,1]               => 10
[5,1,1,1,1,1]             => 10
[4,4,2]                   => 5
[4,4,1,1]                 => 8
[4,3,3]                   => 5
[4,3,2,1]                 => 10
[4,3,1,1,1]               => 10
[4,2,2,2]                 => 5
[4,2,2,1,1]               => 10
[4,2,1,1,1,1]             => 10
[4,1,1,1,1,1,1]           => 10
[3,3,3,1]                 => 7
[3,3,2,2]                 => 8
[3,3,2,1,1]               => 10
[3,3,1,1,1,1]             => 10
[3,2,2,2,1]               => 10
[3,2,2,1,1,1]             => 10
[3,2,1,1,1,1,1]           => 10
[3,1,1,1,1,1,1,1]         => 10
[2,2,2,2,2]               => 5
[2,2,2,2,1,1]             => 10
[2,2,2,1,1,1,1]           => 10
[2,2,1,1,1,1,1,1]         => 10
[2,1,1,1,1,1,1,1,1]       => 10
[1,1,1,1,1,1,1,1,1,1]     => 10
[11]                      => 1
[10,1]                    => 3
[9,2]                     => 3
[9,1,1]                   => 5
[8,3]                     => 3
[8,2,1]                   => 7
[8,1,1,1]                 => 7
[7,4]                     => 3
[7,3,1]                   => 7
[7,2,2]                   => 5
[7,2,1,1]                 => 9
[7,1,1,1,1]               => 9
[6,5]                     => 3
[6,4,1]                   => 7
[6,3,2]                   => 7
[6,3,1,1]                 => 11
[6,2,2,1]                 => 11
[6,2,1,1,1]               => 11
[6,1,1,1,1,1]             => 11
[5,5,1]                   => 5
[5,4,2]                   => 7
[5,4,1,1]                 => 9
[5,3,3]                   => 5
[5,3,2,1]                 => 11
[5,3,1,1,1]               => 11
[5,2,2,2]                 => 7
[5,2,2,1,1]               => 11
[5,2,1,1,1,1]             => 11
[5,1,1,1,1,1,1]           => 11
[4,4,3]                   => 5
[4,4,2,1]                 => 11
[4,4,1,1,1]               => 11
[4,3,3,1]                 => 9
[4,3,2,2]                 => 9
[4,3,2,1,1]               => 11
[4,3,1,1,1,1]             => 11
[4,2,2,2,1]               => 11
[4,2,2,1,1,1]             => 11
[4,2,1,1,1,1,1]           => 11
[4,1,1,1,1,1,1,1]         => 11
[3,3,3,2]                 => 7
[3,3,3,1,1]               => 11
[3,3,2,2,1]               => 11
[3,3,2,1,1,1]             => 11
[3,3,1,1,1,1,1]           => 11
[3,2,2,2,2]               => 9
[3,2,2,2,1,1]             => 11
[3,2,2,1,1,1,1]           => 11
[3,2,1,1,1,1,1,1]         => 11
[3,1,1,1,1,1,1,1,1]       => 11
[2,2,2,2,2,1]             => 11
[2,2,2,2,1,1,1]           => 11
[2,2,2,1,1,1,1,1]         => 11
[2,2,1,1,1,1,1,1,1]       => 11
[2,1,1,1,1,1,1,1,1,1]     => 11
[1,1,1,1,1,1,1,1,1,1,1]   => 11
[12]                      => 1
[11,1]                    => 3
[10,2]                    => 3
[10,1,1]                  => 5
[9,3]                     => 3
[9,2,1]                   => 7
[9,1,1,1]                 => 7
[8,4]                     => 3
[8,3,1]                   => 7
[8,2,2]                   => 5
[8,2,1,1]                 => 9
[8,1,1,1,1]               => 9
[7,5]                     => 3
[7,4,1]                   => 7
[7,3,2]                   => 7
[7,3,1,1]                 => 11
[7,2,2,1]                 => 11
[7,2,1,1,1]               => 11
[7,1,1,1,1,1]             => 11
[6,6]                     => 2
[6,5,1]                   => 6
[6,4,2]                   => 6
[6,4,1,1]                 => 10
[6,3,3]                   => 4
[6,3,2,1]                 => 12
[6,3,1,1,1]               => 12
[6,2,2,2]                 => 6
[6,2,2,1,1]               => 12
[6,2,1,1,1,1]             => 12
[6,1,1,1,1,1,1]           => 12
[5,5,2]                   => 5
[5,5,1,1]                 => 8
[5,4,3]                   => 7
[5,4,2,1]                 => 12
[5,4,1,1,1]               => 12
[5,3,3,1]                 => 10
[5,3,2,2]                 => 9
[5,3,2,1,1]               => 12
[5,3,1,1,1,1]             => 12
[5,2,2,2,1]               => 12
[5,2,2,1,1,1]             => 12
[5,2,1,1,1,1,1]           => 12
[5,1,1,1,1,1,1,1]         => 12
[4,4,4]                   => 3
[4,4,3,1]                 => 9
[4,4,2,2]                 => 6
[4,4,2,1,1]               => 12
[4,4,1,1,1,1]             => 12
[4,3,3,2]                 => 10
[4,3,3,1,1]               => 12
[4,3,2,2,1]               => 12
[4,3,2,1,1,1]             => 12
[4,3,1,1,1,1,1]           => 12
[4,2,2,2,2]               => 6
[4,2,2,2,1,1]             => 12
[4,2,2,1,1,1,1]           => 12
[4,2,1,1,1,1,1,1]         => 12
[4,1,1,1,1,1,1,1,1]       => 12
[3,3,3,3]                 => 4
[3,3,3,2,1]               => 12
[3,3,3,1,1,1]             => 12
[3,3,2,2,2]               => 10
[3,3,2,2,1,1]             => 12
[3,3,2,1,1,1,1]           => 12
[3,3,1,1,1,1,1,1]         => 12
[3,2,2,2,2,1]             => 12
[3,2,2,2,1,1,1]           => 12
[3,2,2,1,1,1,1,1]         => 12
[3,2,1,1,1,1,1,1,1]       => 12
[3,1,1,1,1,1,1,1,1,1]     => 12
[2,2,2,2,2,2]             => 6
[2,2,2,2,2,1,1]           => 12
[2,2,2,2,1,1,1,1]         => 12
[2,2,2,1,1,1,1,1,1]       => 12
[2,2,1,1,1,1,1,1,1,1]     => 12
[2,1,1,1,1,1,1,1,1,1,1]   => 12
[1,1,1,1,1,1,1,1,1,1,1,1] => 12
[8,5]                     => 3
[7,5,1]                   => 7
[7,4,2]                   => 7
[5,5,3]                   => 5
[5,4,4]                   => 5
[5,4,3,1]                 => 11
[5,4,2,2]                 => 9
[5,4,2,1,1]               => 13
[5,4,1,1,1,1]             => 13
[5,3,3,2]                 => 9
[5,3,3,1,1]               => 13
[5,3,2,2,1]               => 13
[5,3,2,1,1,1]             => 13
[4,4,4,1]                 => 7
[4,4,3,2]                 => 11
[4,4,3,1,1]               => 13
[4,4,2,2,1]               => 13
[4,3,3,3]                 => 7
[4,3,3,2,1]               => 13
[3,3,3,3,1]               => 9
[3,3,3,2,2]               => 11
[3,3,2,2,2,1]             => 13
[9,5]                     => 3
[8,5,1]                   => 7
[7,5,2]                   => 6
[7,4,3]                   => 6
[6,4,4]                   => 5
[6,2,2,2,2]               => 7
[5,5,4]                   => 5
[5,5,1,1,1,1]             => 14
[5,4,3,2]                 => 12
[5,4,3,1,1]               => 14
[5,4,2,2,1]               => 14
[5,4,2,1,1,1]             => 14
[5,3,3,2,1]               => 14
[5,3,2,2,2]               => 12
[5,2,2,2,2,1]             => 14
[4,4,4,2]                 => 7
[4,4,3,3]                 => 8
[4,4,3,2,1]               => 14
[4,3,2,2,2,1]             => 14
[3,3,3,3,2]               => 9
[3,3,3,3,1,1]             => 14
[9,5,1]                   => 7
[8,5,2]                   => 7
[7,5,3]                   => 7
[6,5,4]                   => 7
[6,5,1,1,1,1]             => 15
[6,3,3,3]                 => 5
[6,2,2,2,2,1]             => 15
[5,5,5]                   => 3
[5,4,3,2,1]               => 15
[5,4,3,1,1,1]             => 15
[5,3,2,2,2,1]             => 15
[4,4,4,3]                 => 7
[4,4,4,1,1,1]             => 15
[3,3,3,3,3]               => 5
[3,3,3,3,2,1]             => 15
[8,5,3]                   => 6
[7,5,3,1]                 => 14
[5,5,3,3]                 => 8
[5,5,2,2,2]               => 11
[5,4,3,2,1,1]             => 16
[5,4,2,2,2,1]             => 16
[4,4,4,4]                 => 4
[4,4,4,2,2]               => 8
[4,3,3,3,2,1]             => 16
[8,6,3]                   => 7
[6,5,3,3]                 => 9
[6,5,2,2,2]               => 13
[6,4,4,3]                 => 11
[6,4,4,1,1,1]             => 17
[6,3,3,3,2]               => 11
[6,3,3,3,1,1]             => 17
[5,5,4,3]                 => 11
[5,5,4,1,1,1]             => 17
[5,5,2,2,2,1]             => 17
[5,4,3,2,2,1]             => 17
[5,3,3,3,2,1]             => 17
[4,4,4,3,2]               => 15
[4,4,4,3,1,1]             => 17
[4,4,4,2,2,1]             => 17
[4,4,4,3,2,1]             => 18
[5,4,3,3,2,1]             => 18
[6,3,3,3,2,1]             => 18
[6,5,2,2,2,1]             => 18
[5,5,3,3,1,1]             => 18
[6,5,4,1,1,1]             => 18
[5,5,3,3,2]               => 13
[5,5,4,2,2]               => 14
[6,4,4,2,2]               => 9
[6,5,4,3]                 => 14
[9,6,3]                   => 6
[8,6,4]                   => 7
[5,4,4,3,2,1]             => 19
[5,5,3,3,2,1]             => 19
[5,5,4,2,2,1]             => 19
[6,4,4,2,2,1]             => 19
[5,5,4,3,1,1]             => 19
[6,4,4,3,1,1]             => 19
[6,5,3,3,1,1]             => 19
[5,5,4,3,2]               => 17
[6,4,4,3,2]               => 17
[6,5,3,3,2]               => 15
[6,5,4,2,2]               => 15
[6,5,4,3,1]               => 17
[6,5,4,1,1,1,1]           => 19
[9,6,4]                   => 7
[8,5,4,2]                 => 15
[8,5,5,1]                 => 11
[5,5,4,3,2,1]             => 20
[6,4,4,3,2,1]             => 20
[6,5,3,3,2,1]             => 20
[6,5,4,2,2,1]             => 20
[6,5,4,3,1,1]             => 20
[6,5,4,3,2]               => 18
[6,5,2,2,2,2,1]           => 20
[6,5,4,2,1,1,1]           => 20
[7,5,4,3,1]               => 18
[8,6,4,2]                 => 10
[10,6,4]                  => 6
[10,7,3]                  => 6
[9,7,4]                   => 7
[9,5,5,1]                 => 10
[6,5,4,3,2,1]             => 21
[6,3,3,3,3,2,1]           => 21
[6,5,3,2,2,2,1]           => 21
[6,5,4,3,1,1,1]           => 21
[11,7,3]                  => 7
[4,4,4,4,3,2,1]           => 22
[6,4,3,3,3,2,1]           => 22
[6,5,4,2,2,2,1]           => 22
[6,5,4,3,2,1,1]           => 22
[9,6,4,3]                 => 13
[5,4,4,4,3,2,1]           => 23
[6,5,3,3,3,2,1]           => 23
[6,5,4,3,2,2,1]           => 23
[9,6,5,3]                 => 13
[8,6,5,3,1]               => 21
[6,4,4,4,3,2,1]           => 24
[6,5,4,3,3,2,1]           => 24
[11,7,5,1]                => 14
[9,7,5,3]                 => 14
[5,5,5,4,3,2,1]           => 25
[6,5,4,4,3,2,1]           => 25
[9,7,5,3,1]               => 23
[10,7,5,3]                => 13
[6,5,5,4,3,2,1]           => 26
[9,7,5,4,1]               => 22
[6,6,5,4,3,2,1]           => 27
[7,6,5,4,3,2]             => 25
[7,6,5,4,3,2,1]           => 28
[7,6,5,4,3,1,1,1]         => 28
[10,7,6,4,1]              => 22
[9,7,6,4,2]               => 21
[10,8,5,4,1]              => 22
[7,6,5,4,3,2,1,1]         => 29
[7,6,5,4,2,2,2,1]         => 29
[10,8,6,4,1]              => 25
[9,7,5,5,3,1]             => 28
[7,6,5,4,3,2,2,1]         => 30
[7,6,5,3,3,3,2,1]         => 30
[11,8,6,4,1]              => 26
[10,8,6,4,2]              => 15
[7,6,5,4,3,3,2,1]         => 31
[7,6,4,4,4,3,2,1]         => 31
[11,8,6,5,1]              => 23
[7,6,5,4,4,3,2,1]         => 32
[7,5,5,5,4,3,2,1]         => 32
[7,6,5,5,4,3,2,1]         => 33
[6,6,6,5,4,3,2,1]         => 33
[7,6,6,5,4,3,2,1]         => 34
[12,9,7,5,1]              => 26
[7,7,6,5,4,3,2,1]         => 35
[13,9,7,5,1]              => 27
[11,9,7,5,3,1]            => 34
[11,8,7,5,4,1]            => 32
[8,7,6,5,4,3,2,1]         => 36
[8,7,6,5,4,3,2,1,1]       => 37
[8,7,6,5,4,3,2,2,1]       => 38
[8,7,6,5,4,3,3,2,1]       => 39
[8,7,6,5,4,4,3,2,1]       => 40
[11,9,7,5,5,3]            => 32
[8,7,6,5,5,4,3,2,1]       => 41
[8,7,6,6,5,4,3,2,1]       => 42
[8,7,7,6,5,4,3,2,1]       => 43
[8,8,7,6,5,4,3,2,1]       => 44
[9,8,7,6,5,4,3,2,1]       => 45
[11,9,7,7,5,3,3]          => 39
[11,9,7,6,5,3,1]          => 40
[13,11,9,7,5,3,1]         => 47
[13,11,9,7,7,5,3,1]       => 54
[17,13,11,9,7,5,1]        => 57
[15,13,11,9,7,5,3,1]      => 62
[29,23,19,17,13,11,7,1]   => 98

-----------------------------------------------------------------------------
Created: Jul 16, 2016 at 16:39 by Christian Stump

-----------------------------------------------------------------------------
Last Updated: Jun 17, 2021 at 10:53 by Martin Rubey