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Number of semigroups of order n with 3 idempotents.
1

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

%S 10,72,590,5422,61323

%N Number of 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 A058108.

%K nonn,hard

%O 3,1

%A _Christian G. Bower_, Nov 09 2000

%E Updated Feb 19 2001