A058151 - OEIS

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

%S 1,1,1,0,3,1,0,6,6,1,0,12,25,15,2,0,62,105,104,45,6,0,676,562,658,457,

%T 168,24,0

%N Triangle: Number of asymmetric self-converse monoids of order n with k idempotents.

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

%e 1; 1,1; 0,3,1; 0,6,6,1; 0,12,25,15,2; ...

%Y Row sums give A058135.

%K nonn,tabl,more

%O 1,5

%A _Christian G. Bower_, Nov 14 2000