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Number of inequivalent n X n matrices with entries from [8], where equivalence means permutations of rows or columns.
2

%I #6 May 02 2022 09:40:44

%S 1,8,1072,3780288,490172624992,2625154125717590496,

%T 626072069382507442113224128,7023555040334136447558331379882184096,

%U 3861175753082201291221743022346066208381644388448,107340376330263465926728519455647533170839443944210568803374736

%N Number of inequivalent n X n matrices with entries from [8], where equivalence means permutations of rows or columns.

%H Alois P. Heinz, <a href="/A246114/b246114.txt">Table of n, a(n) for n = 0..26</a>

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

%Y Column k=8 of A246106.

%K nonn

%O 0,2

%A _Alois P. Heinz_, Aug 14 2014