A086266 Triangle of counts of s-clusters in n X n (0,1)-matrices for s=0, 1, ....

1, 1, 1, 13, 2, 1, 218, 208, 78, 6, 1, 1, 11506, 21172, 20262, 9560, 2593, 408, 32, 2

Offset: 1

Author

Eric W. Weisstein, Jul 14 2003

Keywords

• nonn
• tabf
• more

Examples

			Triangle begins:
  1, 1;
  1, 13, 2;
  1, 218, 208, 78, 6, 1;
  1, 11506, 21172, 20262, 9560, 2593, 408, 32, 2;
  ...
		

Links

• Eric Weisstein's World of Mathematics, s-Cluster

Crossrefs

Cf. A086265.