%I
%S 1,1,5,30,332,6414,226041,12848128,1064292052,119252205304,
%T 17239075745190,3113843614322530,686491853010870156,
%U 181386885029173595218,56595769613704915215101,20597536264356706999502705,8652615103513713632218678155,4157673185369121151936091009448
%N Number of nrowed binary matrices with all row sums 4, up to row and column permutation; bipartite graphs with all nodes of degree 4 in a distinguished bipartite nblock, up to isomorphism.
%H <a href="/A050535/a050535.pdf">Number of mrowed binary matrices with all row sums equal to n, up to row and column permutation</a>
%Y Row n=4 of A331461.
%Y Cf. A050535, A050913, A058784, A058785.
%K nonn
%O 0,3
%A _Vladeta Jovovic_, Nov 28 2000
%E Terms a(8)a(17) from _Max Alekseyev_, May 04 2018
