%I #6 Mar 30 2012 17:37:12
%S 1,2,1,3,5,1,9,19,14,2,52,82,88,43,6,624,470,556,410,162,24,19027,
%T 4444,3771,3501,2088,731,110
%N Triangle: Number of asymmetric self-converse semigroups of order n with k idempotents.
%H <a href="/index/Se#semigroups">Index entries for sequences related to semigroups</a>
%e 1; 2,1; 3,5,1; 9,19,14,2; 52,82,88,43,6; ...
%Y Row sums give A058106.
%K nonn,tabl,hard
%O 1,2
%A _Christian G. Bower_, Nov 19 2000