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%I #12 Jan 29 2020 20:33:41
%S 1,1,7,80,3117,441881,195486906,200065951078,390629444879796,
%T 1295710020278986959,6764950163433890601997,
%U 52637015698577710285832949,585529138290221945767868247037,9010635399744213671095287436920755
%N Number of n-rowed binary matrices with all row sums 6, up to row and column permutation; bipartite graphs with all nodes of degree 6 in a distinguished bipartite n-block, up to isomorphism.
%H <a href="/A050535/a050535.pdf">Number of m-rowed binary matrices with all row sums equal to n, up to row and column permutation</a>
%Y Row n=6 of A331461.
%Y Cf. A050535, A050913, A058783, A058784.
%K nonn
%O 0,3
%A _Vladeta Jovovic_, Nov 28 2000
%E a(6)-a(13) from _Max Alekseyev_, May 04 2018
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