%I #13 Aug 15 2021 10:34:12
%S 1,2,9,39,1415,482430,1034972230
%N Minimal number of generators of the monoid of n X n reflexive Boolean matrices.
%C A Boolean matrix is reflexive if all entries on the main diagonal are 1.
%H F. Hivert, J. D. Mitchell, F. L. Smith, and W. A. Wilson, <a href="https://arxiv.org/abs/2012.10323">Minimal generating sets for matrix monoids</a>, arXiv:2012.10323 [math.RA], 2020, p. 7.
%Y Cf. A346686.
%K nonn,more,hard
%O 1,2
%A _James Mitchell_, Jul 29 2021