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MaximalDiagonalNonzeroCount on AlternatingSignMatrix ​

The largest number of nonzero entries along a diagonal.

On AlternatingSignMatrix

FindStat's St000892. The diagonals are those of MaximalDiagonalSum.

Called as CombinatorialStat(x, "MaximalDiagonalNonzeroCount"). The head's page has its examples.

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Distribution

Over AlternatingSignMatrices at each size, tallied here in your browser; sizes past 6 are not offered.

FindStat St000892

The maximal number of nonzero entries on a diagonal of an alternating sign matrix.

ObjectValue
[[0,1],[1,0]]1
[[1,0],[0,1]]2
[[0,0,1],[0,1,0],[1,0,0]]1
[[0,0,1],[1,0,0],[0,1,0]]2
[[0,1,0],[0,0,1],[1,0,0]]2
[[0,1,0],[1,0,0],[0,0,1]]1
[[1,0,0],[0,0,1],[0,1,0]]1
[[1,0,0],[0,1,0],[0,0,1]]3

Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000892 has the rest.