A128971 A130125 * A000012.

1, 2, 2, 5, 4, 4, 10, 10, 8, 8, 21, 20, 20, 16, 16, 42, 42, 40, 40, 32, 32, 85, 84, 84, 80, 80, 64, 64, 170, 170, 168, 168, 160, 160, 128

Offset: 0

Author

Gary W. Adamson, May 11 2007

Keywords

• nonn
• tabl

Comments

Left column = A000975: (1, 2, 5, 10, 21, 42, ...). Row sums = A102301: (1, 4, 13, 36, 93, ...). A130127 = A000012 * A130125.

Examples

			First few rows of the triangle:
   1;
   2,  2;
   5,  4,  4;
  10, 10,  8,  8;
  21, 20, 20, 16, 16;
  42, 42, 40, 40, 32, 32;
  85, 84, 84, 80, 80, 64, 64;
  ...
		

Crossrefs

Cf. A000975, A102301, A130127, A000012, A130125.

Formula

A130125 * A000012 as infinite lower triangular matrices.