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%I #8 May 02 2022 10:25:38
%S 1,7,637,1144836,58002778967,93242242505023122,
%T 5116530046996205504668323,10114980502439545115146468340980932,
%U 750304814691805977574386038534306614497574954,2154844572709712035236045223460733805672731741592666006584
%N Number of inequivalent n X n matrices with entries from [7], where equivalence means permutations of rows or columns.
%H Alois P. Heinz, <a href="/A246113/b246113.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=7 of A246106.
%K nonn
%O 0,2
%A _Alois P. Heinz_, Aug 14 2014
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