login
Number of self-converse semigroups of order n with 3 idempotents.
1

%I #6 Mar 30 2012 17:37:11

%S 2,16,112,764,5567

%N Number of self-converse semigroups of order n with 3 idempotents.

%H <a href="/index/Se#semigroups">Index entries for sequences related to semigroups</a>

%Y Column 3 of A058118.

%K nonn,hard

%O 3,1

%A _Christian G. Bower_, Nov 10 2000