This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A224539 #26 Jun 08 2013 13:14:31
%S A224539 1,12,549,51520,8063385,1871446896
%N A224539 Number of pairs of elements of the full transformational monoid T_n on {1,...,n} which generate a synchronizing monoid.
%C A224539 This is an analog for T_n of sequence A071605 (or A040175) for the symmetric group S_n.
%D A224539 P. J. Cameron, Dixon's theorem and random synchronization, Discrete Math., 313 (2013), 1233-1246. (a(1)-a(6) were computed by _James Mitchell_.)
%Y A224539 Cf. A040175, A071605.
%K A224539 nonn,more
%O A224539 1,2
%A A224539 _N. J. A. Sloane_, Apr 29 2013