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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         *
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*****************************************************************************

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Statistic identifier: St001823

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Collection: Signed permutations

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Description: The Stasinski-Voll length of a signed permutation.
The Stasinski-Voll length of a signed permutation $\sigma$ is
$$
L(\sigma) = \frac{1}{2} \#\{(i,j) ~\mid -n \leq i < j \leq n,~ i \not\equiv j \operatorname{mod} 2,~ \sigma(i) > \sigma(j)\},
$$
where $n$ is the size of $\sigma$.

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References: [1]   Stasinski, A., Voll, C. A new statistic on the hyperoctahedral groups [[arXiv:1303.0990]]

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Code:


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Statistic values:

[1]           => 0
[-1]          => 1
[1,2]         => 0
[1,-2]        => 2
[-1,2]        => 1
[-1,-2]       => 3
[2,1]         => 1
[2,-1]        => 1
[-2,1]        => 2
[-2,-1]       => 2
[1,2,3]       => 0
[1,2,-3]      => 3
[1,-2,3]      => 2
[1,-2,-3]     => 5
[-1,2,3]      => 1
[-1,2,-3]     => 4
[-1,-2,3]     => 3
[-1,-2,-3]    => 6
[1,3,2]       => 1
[1,3,-2]      => 2
[1,-3,2]      => 3
[1,-3,-2]     => 4
[-1,3,2]      => 2
[-1,3,-2]     => 3
[-1,-3,2]     => 4
[-1,-3,-2]    => 5
[2,1,3]       => 1
[2,1,-3]      => 4
[2,-1,3]      => 1
[2,-1,-3]     => 4
[-2,1,3]      => 2
[-2,1,-3]     => 5
[-2,-1,3]     => 2
[-2,-1,-3]    => 5
[2,3,1]       => 1
[2,3,-1]      => 2
[2,-3,1]      => 3
[2,-3,-1]     => 4
[-2,3,1]      => 2
[-2,3,-1]     => 3
[-2,-3,1]     => 4
[-2,-3,-1]    => 5
[3,1,2]       => 1
[3,1,-2]      => 4
[3,-1,2]      => 1
[3,-1,-2]     => 4
[-3,1,2]      => 2
[-3,1,-2]     => 5
[-3,-1,2]     => 2
[-3,-1,-2]    => 5
[3,2,1]       => 2
[3,2,-1]      => 3
[3,-2,1]      => 2
[3,-2,-1]     => 3
[-3,2,1]      => 3
[-3,2,-1]     => 4
[-3,-2,1]     => 3
[-3,-2,-1]    => 4
[1,2,3,4]     => 0
[1,2,3,-4]    => 4
[1,2,-3,4]    => 3
[1,2,-3,-4]   => 7
[1,-2,3,4]    => 2
[1,-2,3,-4]   => 6
[1,-2,-3,4]   => 5
[1,-2,-3,-4]  => 9
[-1,2,3,4]    => 1
[-1,2,3,-4]   => 5
[-1,2,-3,4]   => 4
[-1,2,-3,-4]  => 8
[-1,-2,3,4]   => 3
[-1,-2,3,-4]  => 7
[-1,-2,-3,4]  => 6
[-1,-2,-3,-4] => 10
[1,2,4,3]     => 1
[1,2,4,-3]    => 3
[1,2,-4,3]    => 4
[1,2,-4,-3]   => 6
[1,-2,4,3]    => 3
[1,-2,4,-3]   => 5
[1,-2,-4,3]   => 6
[1,-2,-4,-3]  => 8
[-1,2,4,3]    => 2
[-1,2,4,-3]   => 4
[-1,2,-4,3]   => 5
[-1,2,-4,-3]  => 7
[-1,-2,4,3]   => 4
[-1,-2,4,-3]  => 6
[-1,-2,-4,3]  => 7
[-1,-2,-4,-3] => 9
[1,3,2,4]     => 1
[1,3,2,-4]    => 5
[1,3,-2,4]    => 2
[1,3,-2,-4]   => 6
[1,-3,2,4]    => 3
[1,-3,2,-4]   => 7
[1,-3,-2,4]   => 4
[1,-3,-2,-4]  => 8
[-1,3,2,4]    => 2
[-1,3,2,-4]   => 6
[-1,3,-2,4]   => 3
[-1,3,-2,-4]  => 7
[-1,-3,2,4]   => 4
[-1,-3,2,-4]  => 8
[-1,-3,-2,4]  => 5
[-1,-3,-2,-4] => 9
[1,3,4,2]     => 1
[1,3,4,-2]    => 3
[1,3,-4,2]    => 4
[1,3,-4,-2]   => 6
[1,-3,4,2]    => 3
[1,-3,4,-2]   => 5
[1,-3,-4,2]   => 6
[1,-3,-4,-2]  => 8
[-1,3,4,2]    => 2
[-1,3,4,-2]   => 4
[-1,3,-4,2]   => 5
[-1,3,-4,-2]  => 7
[-1,-3,4,2]   => 4
[-1,-3,4,-2]  => 6
[-1,-3,-4,2]  => 7
[-1,-3,-4,-2] => 9
[1,4,2,3]     => 1
[1,4,2,-3]    => 5
[1,4,-2,3]    => 2
[1,4,-2,-3]   => 6
[1,-4,2,3]    => 3
[1,-4,2,-3]   => 7
[1,-4,-2,3]   => 4
[1,-4,-2,-3]  => 8
[-1,4,2,3]    => 2
[-1,4,2,-3]   => 6
[-1,4,-2,3]   => 3
[-1,4,-2,-3]  => 7
[-1,-4,2,3]   => 4
[-1,-4,2,-3]  => 8
[-1,-4,-2,3]  => 5
[-1,-4,-2,-3] => 9
[1,4,3,2]     => 2
[1,4,3,-2]    => 4
[1,4,-3,2]    => 3
[1,4,-3,-2]   => 5
[1,-4,3,2]    => 4
[1,-4,3,-2]   => 6
[1,-4,-3,2]   => 5
[1,-4,-3,-2]  => 7
[-1,4,3,2]    => 3
[-1,4,3,-2]   => 5
[-1,4,-3,2]   => 4
[-1,4,-3,-2]  => 6
[-1,-4,3,2]   => 5
[-1,-4,3,-2]  => 7
[-1,-4,-3,2]  => 6
[-1,-4,-3,-2] => 8
[2,1,3,4]     => 1
[2,1,3,-4]    => 5
[2,1,-3,4]    => 4
[2,1,-3,-4]   => 8
[2,-1,3,4]    => 1
[2,-1,3,-4]   => 5
[2,-1,-3,4]   => 4
[2,-1,-3,-4]  => 8
[-2,1,3,4]    => 2
[-2,1,3,-4]   => 6
[-2,1,-3,4]   => 5
[-2,1,-3,-4]  => 9
[-2,-1,3,4]   => 2
[-2,-1,3,-4]  => 6
[-2,-1,-3,4]  => 5
[-2,-1,-3,-4] => 9
[2,1,4,3]     => 2
[2,1,4,-3]    => 4
[2,1,-4,3]    => 5
[2,1,-4,-3]   => 7
[2,-1,4,3]    => 2
[2,-1,4,-3]   => 4
[2,-1,-4,3]   => 5
[2,-1,-4,-3]  => 7
[-2,1,4,3]    => 3
[-2,1,4,-3]   => 5
[-2,1,-4,3]   => 6
[-2,1,-4,-3]  => 8
[-2,-1,4,3]   => 3
[-2,-1,4,-3]  => 5
[-2,-1,-4,3]  => 6
[-2,-1,-4,-3] => 8
[2,3,1,4]     => 1
[2,3,1,-4]    => 5
[2,3,-1,4]    => 2
[2,3,-1,-4]   => 6
[2,-3,1,4]    => 3
[2,-3,1,-4]   => 7
[2,-3,-1,4]   => 4
[2,-3,-1,-4]  => 8
[-2,3,1,4]    => 2
[-2,3,1,-4]   => 6
[-2,3,-1,4]   => 3
[-2,3,-1,-4]  => 7
[-2,-3,1,4]   => 4
[-2,-3,1,-4]  => 8
[-2,-3,-1,4]  => 5
[-2,-3,-1,-4] => 9
[2,3,4,1]     => 2
[2,3,4,-1]    => 2
[2,3,-4,1]    => 5
[2,3,-4,-1]   => 5
[2,-3,4,1]    => 4
[2,-3,4,-1]   => 4
[2,-3,-4,1]   => 7
[2,-3,-4,-1]  => 7
[-2,3,4,1]    => 3
[-2,3,4,-1]   => 3
[-2,3,-4,1]   => 6
[-2,3,-4,-1]  => 6
[-2,-3,4,1]   => 5
[-2,-3,4,-1]  => 5
[-2,-3,-4,1]  => 8
[-2,-3,-4,-1] => 8
[2,4,1,3]     => 1
[2,4,1,-3]    => 5
[2,4,-1,3]    => 2
[2,4,-1,-3]   => 6
[2,-4,1,3]    => 3
[2,-4,1,-3]   => 7
[2,-4,-1,3]   => 4
[2,-4,-1,-3]  => 8
[-2,4,1,3]    => 2
[-2,4,1,-3]   => 6
[-2,4,-1,3]   => 3
[-2,4,-1,-3]  => 7
[-2,-4,1,3]   => 4
[-2,-4,1,-3]  => 8
[-2,-4,-1,3]  => 5
[-2,-4,-1,-3] => 9
[2,4,3,1]     => 3
[2,4,3,-1]    => 3
[2,4,-3,1]    => 4
[2,4,-3,-1]   => 4
[2,-4,3,1]    => 5
[2,-4,3,-1]   => 5
[2,-4,-3,1]   => 6
[2,-4,-3,-1]  => 6
[-2,4,3,1]    => 4
[-2,4,3,-1]   => 4
[-2,4,-3,1]   => 5
[-2,4,-3,-1]  => 5
[-2,-4,3,1]   => 6
[-2,-4,3,-1]  => 6
[-2,-4,-3,1]  => 7
[-2,-4,-3,-1] => 7
[3,1,2,4]     => 1
[3,1,2,-4]    => 5
[3,1,-2,4]    => 4
[3,1,-2,-4]   => 8
[3,-1,2,4]    => 1
[3,-1,2,-4]   => 5
[3,-1,-2,4]   => 4
[3,-1,-2,-4]  => 8
[-3,1,2,4]    => 2
[-3,1,2,-4]   => 6
[-3,1,-2,4]   => 5
[-3,1,-2,-4]  => 9
[-3,-1,2,4]   => 2
[-3,-1,2,-4]  => 6
[-3,-1,-2,4]  => 5
[-3,-1,-2,-4] => 9
[3,1,4,2]     => 3
[3,1,4,-2]    => 3
[3,1,-4,2]    => 6
[3,1,-4,-2]   => 6
[3,-1,4,2]    => 3
[3,-1,4,-2]   => 3
[3,-1,-4,2]   => 6
[3,-1,-4,-2]  => 6
[-3,1,4,2]    => 4
[-3,1,4,-2]   => 4
[-3,1,-4,2]   => 7
[-3,1,-4,-2]  => 7
[-3,-1,4,2]   => 4
[-3,-1,4,-2]  => 4
[-3,-1,-4,2]  => 7
[-3,-1,-4,-2] => 7
[3,2,1,4]     => 2
[3,2,1,-4]    => 6
[3,2,-1,4]    => 3
[3,2,-1,-4]   => 7
[3,-2,1,4]    => 2
[3,-2,1,-4]   => 6
[3,-2,-1,4]   => 3
[3,-2,-1,-4]  => 7
[-3,2,1,4]    => 3
[-3,2,1,-4]   => 7
[-3,2,-1,4]   => 4
[-3,2,-1,-4]  => 8
[-3,-2,1,4]   => 3
[-3,-2,1,-4]  => 7
[-3,-2,-1,4]  => 4
[-3,-2,-1,-4] => 8
[3,2,4,1]     => 3
[3,2,4,-1]    => 3
[3,2,-4,1]    => 6
[3,2,-4,-1]   => 6
[3,-2,4,1]    => 3
[3,-2,4,-1]   => 3
[3,-2,-4,1]   => 6
[3,-2,-4,-1]  => 6
[-3,2,4,1]    => 4
[-3,2,4,-1]   => 4
[-3,2,-4,1]   => 7
[-3,2,-4,-1]  => 7
[-3,-2,4,1]   => 4
[-3,-2,4,-1]  => 4
[-3,-2,-4,1]  => 7
[-3,-2,-4,-1] => 7
[3,4,1,2]     => 2
[3,4,1,-2]    => 4
[3,4,-1,2]    => 3
[3,4,-1,-2]   => 5
[3,-4,1,2]    => 4
[3,-4,1,-2]   => 6
[3,-4,-1,2]   => 5
[3,-4,-1,-2]  => 7
[-3,4,1,2]    => 3
[-3,4,1,-2]   => 5
[-3,4,-1,2]   => 4
[-3,4,-1,-2]  => 6
[-3,-4,1,2]   => 5
[-3,-4,1,-2]  => 7
[-3,-4,-1,2]  => 6
[-3,-4,-1,-2] => 8
[3,4,2,1]     => 3
[3,4,2,-1]    => 3
[3,4,-2,1]    => 4
[3,4,-2,-1]   => 4
[3,-4,2,1]    => 5
[3,-4,2,-1]   => 5
[3,-4,-2,1]   => 6
[3,-4,-2,-1]  => 6
[-3,4,2,1]    => 4
[-3,4,2,-1]   => 4
[-3,4,-2,1]   => 5
[-3,4,-2,-1]  => 5
[-3,-4,2,1]   => 6
[-3,-4,2,-1]  => 6
[-3,-4,-2,1]  => 7
[-3,-4,-2,-1] => 7
[4,1,2,3]     => 2
[4,1,2,-3]    => 4
[4,1,-2,3]    => 5
[4,1,-2,-3]   => 7
[4,-1,2,3]    => 2
[4,-1,2,-3]   => 4
[4,-1,-2,3]   => 5
[4,-1,-2,-3]  => 7
[-4,1,2,3]    => 3
[-4,1,2,-3]   => 5
[-4,1,-2,3]   => 6
[-4,1,-2,-3]  => 8
[-4,-1,2,3]   => 3
[-4,-1,2,-3]  => 5
[-4,-1,-2,3]  => 6
[-4,-1,-2,-3] => 8
[4,1,3,2]     => 3
[4,1,3,-2]    => 3
[4,1,-3,2]    => 6
[4,1,-3,-2]   => 6
[4,-1,3,2]    => 3
[4,-1,3,-2]   => 3
[4,-1,-3,2]   => 6
[4,-1,-3,-2]  => 6
[-4,1,3,2]    => 4
[-4,1,3,-2]   => 4
[-4,1,-3,2]   => 7
[-4,1,-3,-2]  => 7
[-4,-1,3,2]   => 4
[-4,-1,3,-2]  => 4
[-4,-1,-3,2]  => 7
[-4,-1,-3,-2] => 7
[4,2,1,3]     => 3
[4,2,1,-3]    => 5
[4,2,-1,3]    => 4
[4,2,-1,-3]   => 6
[4,-2,1,3]    => 3
[4,-2,1,-3]   => 5
[4,-2,-1,3]   => 4
[4,-2,-1,-3]  => 6
[-4,2,1,3]    => 4
[-4,2,1,-3]   => 6
[-4,2,-1,3]   => 5
[-4,2,-1,-3]  => 7
[-4,-2,1,3]   => 4
[-4,-2,1,-3]  => 6
[-4,-2,-1,3]  => 5
[-4,-2,-1,-3] => 7
[4,2,3,1]     => 3
[4,2,3,-1]    => 3
[4,2,-3,1]    => 6
[4,2,-3,-1]   => 6
[4,-2,3,1]    => 3
[4,-2,3,-1]   => 3
[4,-2,-3,1]   => 6
[4,-2,-3,-1]  => 6
[-4,2,3,1]    => 4
[-4,2,3,-1]   => 4
[-4,2,-3,1]   => 7
[-4,2,-3,-1]  => 7
[-4,-2,3,1]   => 4
[-4,-2,3,-1]  => 4
[-4,-2,-3,1]  => 7
[-4,-2,-3,-1] => 7
[4,3,1,2]     => 3
[4,3,1,-2]    => 5
[4,3,-1,2]    => 4
[4,3,-1,-2]   => 6
[4,-3,1,2]    => 3
[4,-3,1,-2]   => 5
[4,-3,-1,2]   => 4
[4,-3,-1,-2]  => 6
[-4,3,1,2]    => 4
[-4,3,1,-2]   => 6
[-4,3,-1,2]   => 5
[-4,3,-1,-2]  => 7
[-4,-3,1,2]   => 4
[-4,-3,1,-2]  => 6
[-4,-3,-1,2]  => 5
[-4,-3,-1,-2] => 7
[4,3,2,1]     => 4
[4,3,2,-1]    => 4
[4,3,-2,1]    => 5
[4,3,-2,-1]   => 5
[4,-3,2,1]    => 4
[4,-3,2,-1]   => 4
[4,-3,-2,1]   => 5
[4,-3,-2,-1]  => 5
[-4,3,2,1]    => 5
[-4,3,2,-1]   => 5
[-4,3,-2,1]   => 6
[-4,3,-2,-1]  => 6
[-4,-3,2,1]   => 5
[-4,-3,2,-1]  => 5
[-4,-3,-2,1]  => 6
[-4,-3,-2,-1] => 6

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Created: Jul 22, 2022 at 11:45 by Dennis Jahn

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Last Updated: Jul 22, 2022 at 11:45 by Dennis Jahn