A133380 A055450 + A030111 - A000012 as infinite lower triangular matrices.

1, 1, 1, 3, 1, 1, 4, 5, 1, 1, 7, 6, 7, 1, 1, 10, 13, 8, 9, 1, 1, 16, 17, 21, 10, 11, 1, 24, 30, 26, 31, 12, 13, 1, 1, 38, 42, 52, 37, 43, 14, 15, 1, 1, 59, 69, 69, 84, 50, 57, 16, 17, 1, 1

Offset: 1

Author

Gary W. Adamson, Oct 28 2007

Keywords

• nonn
• tabl

Comments

Row sums = A134508

Examples

			First few rows of the triangle are:
1;
1, 1;
3, 1, 1;
4, 5, 1, 1;
7, 6, 7, 1, 1;
10, 13, 8, 9, 1, 1;
16, 17, 21, 10, 11, 1, 1;
24, 30, 26, 31, 12, 13, 1, 1;
38, 42, 52, 37, 43, 14, 15, 1, 1;
...
		

Crossrefs

Cf. A055450, A030111, A134508.