%I #8 Mar 30 2012 17:37:00
%S 1,2,51,18330,104124850
%N Number of nonisomorphic commutative groupoids with 1 idempotent and no symmetry.
%H <a href="/index/Gre#groupoids">Index entries for sequences related to groupoids</a>
%K nonn,more
%O 1,2
%A _Christian G. Bower_