A129560 A054523 * A128174.

1, 1, 1, 3, 0, 1, 3, 2, 0, 1, 7, 0, 1, 0, 1, 5, 4, 1, 1, 0, 1, 13, 0, 1, 0, 1, 0, 1, 9, 6, 1, 2, 0, 1, 0, 1, 19, 0, 3, 0, 1, 0, 1, 0, 1, 13, 10, 1, 2, 1, 1, 0, 1, 0, 1

Offset: 1

Author

Gary W. Adamson, Apr 20 2007

Keywords

• nonn
• tabl

Comments

Row sums = A002620: (1, 2, 4, 6, 9, 12, 16, 20, ...). Left column = A106477: (1, 1, 3, 3, 7, 5, 13, 9, 19, ...).

Examples

			First few rows of the triangle:
   1;
   1, 1;
   3, 0, 1;
   3, 2, 0, 1;
   7, 0, 1, 0, 1;
   5, 4, 1, 1, 0, 1;
  13, 0, 1, 0, 1, 0, 1;
  ...
		

Crossrefs

Cf. A054523, A128174, A106477, A002620.

Formula

A054523 * A128174 as infinite lower triangular matrices.