A085792 Triangle T(n, k) read by rows; given by [1, 0, 0, 0, 0, ...] DELTA [1, 1, 2, 5, 14, 42, 132, 429, 1430, ...] (A000108) where DELTA is Deléham's operator defined in A084938.

1, 1, 1, 1, 3, 2, 1, 5, 10, 6, 1, 7, 22, 46, 30, 1, 9, 38, 114, 422, 338, 1, 11, 58, 218, 1002, 12614, 11782, 1, 13, 82, 366, 1850, 26830, 1432478, 1407202, 1, 15, 110, 566, 3062, 43650, 2907546, 575135822, 572269334, 1, 17, 142, 826, 4750, 63946

Offset: 0

Author

N. J. A. Sloane, Aug 16 2003

Keywords

• nonn
• tabl

Examples

			1;
1,1;
1,3,2;
1,5,10,6;
1,7,22,46,30; ...
		

Links

• Alois P. Heinz, Rows n = 0..60, flattened

Crossrefs

Cf. A000012, A005408 (2nd column), A090288 (3rd column)