A131054 Triangle read by rows: A000012 * A119467 as infinite lower triangular matrices.

1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 3, 4, 7, 1, 1, 3, 9, 7, 11, 1, 1, 4, 9, 22, 11, 16, 1, 1, 4, 16, 22, 46, 16, 22, 1, 1, 5, 16, 50, 46, 86, 22, 29, 1, 1, 5, 25, 50, 130, 86, 148, 29, 37, 1, 1, 6, 25, 95, 130, 296, 148, 239, 37, 46, 1, 1

Offset: 0

Author

Gary W. Adamson, Jun 12 2007

Keywords

• nonn
• tabl

Comments

Row sums = 2^n.

Examples

			First few rows of the triangle are:
1;
1, 1;
2, 1, 1;
2, 4, 1, 1;
3, 4, 7, 1, 1;
3, 9, 7, 11, 1, 1;
4, 9, 22, 11, 16, 1, 1;
4, 16, 22, 46, 16, 22, 1, 1;
...
		

Crossrefs

Cf. A000012, A119467.

Extensions

a(46) = 5 inserted and more terms from Georg Fischer, May 29 2023