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Minimal number of generators of the monoid of n X n reflexive Boolean matrices.
1

%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