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%I #15 Jun 18 2022 09:20:29
%S 1,1,3,29,940,104286,40050850,53640013886,251995529844792
%N Number of real regular n X n (0,1) matrices modulo rows permutations.
%H Antony Pearson, <a href="https://search.proquest.com/openview/1c73b5136e9332a81f1546f910d0e76b">On Hidden Structures in Contaminated Symbolic Data</a>, Ph. D. thesis, University of Colorado at Boulder (2020) 27835343.
%F a(n) = A055165(n) / n!.
%Y Cf. A055165, A053601.
%K nonn,hard,more
%O 0,3
%A Yuval Dekel (dekelyuval(AT)hotmail.com), Nov 08 2003
%E a(8) from Herman Jamke (hermanjamke(AT)fastmail.fm), Feb 24 2008
%E a(0)=1 prepended by _Alois P. Heinz_, Jun 18 2022