A134480 A134478 * A000012.

1, 3, 2, 9, 7, 4, 18, 15, 11, 6, 30, 26, 21, 15, 8, 45, 40, 34, 27, 19, 10, 63, 57, 50, 42, 33, 23, 12, 84, 77, 69, 60, 50, 39, 27, 14, 108, 100, 91, 81, 70, 58, 45, 31, 16, 135, 126, 116, 105, 93, 80, 66, 51, 35, 18

Offset: 0

Author

Gary W. Adamson, Oct 27 2007

Keywords

• nonn
• tabl
• more

Comments

Row sums = A134481: (1, 5, 20, 50, 100, 175, ...).

Left border = A134479.

Examples

			First few rows of the triangle:
   1;
   3,  2;
   9,  7,  4;
  18, 15, 11,  6;
  30, 26, 21, 15,  8;
  45, 40, 34, 27, 19, 10;
  63, 57, 50, 42, 33, 23, 12;
  ...
		

Crossrefs

Cf. A134478, A134481, A134479.

Formula

A134478 * A000012 as infinite lower triangular matrices. Triangle read by rows, partial sums of A134478 terms starting from the right.