A058140 Triangle read by rows: number of asymmetric monoids of order n with k idempotents.

1, 1, 1, 0, 3, 1, 0, 6, 10, 3, 0, 14, 47, 55, 12, 0, 124, 267, 490, 395, 68, 0, 4510, 2230, 4460, 5971, 3324, 502, 0

Offset: 1

Author

Christian G. Bower, Nov 14 2000

Keywords

• nonn
• tabl
• more

Examples

			1;
1,1;
0,3,1;
0,6,10,3;
0,14,47,55,12;
...
		

Links

• Index entries for sequences related to monoids

Crossrefs

Row sums give A058130. Main diagonal: A058115(n-1). Column 2: A058141.