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Number of inequivalent n X n matrices with entries from [7], where equivalence means permutations of rows or columns or the symbol set.
2

%I #7 May 02 2022 09:43:06

%S 1,1,9,773,12872565,18591188894392,1015303397880332132695,

%T 2006943506669869627232430791792,

%U 148870004307406359229098552180494085417700,427548526344388851318876075291587420840143834762159765

%N Number of inequivalent n X n matrices with entries from [7], where equivalence means permutations of rows or columns or the symbol set.

%H <a href="/index/Mat#inequiv">Index to number of inequivalent matrices modulo permutation of rows and columns</a>

%Y Column k=7 of A242095.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Aug 15 2014