A133934 A007318 * (a diagonalized version of A124625).

1, 1, 2, 1, 4, 1, 1, 6, 3, 4, 1, 8, 6, 16, 1, 1, 10, 10, 40, 5, 6, 1, 12, 15, 80, 15, 36, 1, 1, 14, 21, 140, 35, 126, 7, 8, 1, 16, 28, 224, 70, 336, 28, 64, 1, 1, 18, 36, 336, 126, 756, 84, 288, 9, 10

Offset: 1

Author

Gary W. Adamson, Sep 29 2007

Keywords

• nonn
• tabl

Comments

Row sums = A129954: (1, 3, 6, 14, 32, 72, 160, ...).

Examples

			First few rows of the triangle:
  1;
  1,  2;
  1,  4,  1;
  1,  6,  3,  4;
  1,  8,  6, 16,  1;
  1, 10, 10, 40,  5,  6;
  1, 12, 15, 80, 15, 36,  1;
  ...
		

Crossrefs

Cf. A129954.

Formula

Binomial transform of an infinite lower triangular matrix, with (1, 2, 1, 4, 1, 6, ...) in the main diagonal and zeros elsewhere.