%I #11 Jan 26 2022 17:56:56
%S 1,1,3,15,112,1221,19684,1458882,3667253972,105923135799007
%N Number of asymmetric semigroups of order n.
%H A. Distler and T. Kelsey, <a href="http://arxiv.org/abs/1301.6023">The semigroups of order 9 and their automorphism groups</a>, arXiv preprint arXiv:1301.6023 [math.CO], 2013.
%H <a href="/index/Se#semigroups">Index entries for sequences related to semigroups</a>
%F a(n) = A079175(n, A027423(n)).
%Y Cf. A027851, A058113, A079175.
%K nonn,hard
%O 0,3
%A _Christian G. Bower_, Nov 09 2000. Updated Feb 19 2001.
%E a(8)-a(9) added from the Distler-Kelsey reference by _Andrew Howroyd_, Jan 26 2022