%I A058107
%S A058107 1,1,3,12,78,746,10965,746277
%N A058107 Number of asymmetric semigroups of order n, considered to be equivalent 
               when they are isomorphic or anti-isomorphic (by reversal of the operator).
%H A058107 <a href="Sindx_Se.html#semigroups">Index entries for sequences related 
               to semigroups</a>
%Y A058107 Cf. A001423.
%Y A058107 Sequence in context: A121421 A108043 A058561 this_sequence A023879 A084565 
               A023881
%Y A058107 Adjacent sequences: A058104 A058105 A058106 this_sequence A058108 A058109 
               A058110
%K A058107 nonn,hard
%O A058107 0,3
%A A058107 Christian G. Bower (bowerc(AT)usa.net), Nov 09 2000
%E A058107 Updated Feb 19 2001