Number of inequivalent n X n binary matrices, where equivalence means permutations of rows or columns.
1, 2, 7, 36, 317, 5624, 251610, 33642660, 14685630688, 21467043671008
1 seqfan posts
Sun Apr 18 19:25:32 CEST 2010 [seqfan] Re: A few seqs related to the Game of Life on toroidal NxN board.