A127479 Triangle read by rows: A054522 * A054521 as infinite lower triangular matrices.

1, 2, 0, 3, 2, 0, 4, 0, 2, 0, 5, 4, 4, 4, 0, 6, 2, 0, 0, 2, 0, 7, 6, 6, 6, 6, 6, 0, 8, 0, 6, 0, 4, 0, 4, 0, 9, 8, 0, 6, 6, 0, 6, 6, 0, 10, 4, 8, 4, 0, 0, 4, 0, 4, 0

Offset: 1

Author

Gary W. Adamson, Jan 15 2007

Keywords

• nonn
• tabl
• more

Comments

Row sums = A029939: (1, 2, 5, 6, 17, 10, 37, ...).

Examples

			First few rows of the triangle:
  1;
  2, 0;
  3, 2, 0;
  4, 0, 2, 0;
  5, 4, 4, 4, 0;
  6, 2, 0, 0, 2, 0;
  7, 6, 6, 6, 6, 6, 0;
  8, 0, 6, 0, 4, 0, 4, 0;
  ...
		

Crossrefs

Cf. A029939, A054522, A054521.

Extensions

Edited by N. J. A. Sloane, Aug 10 2019