A134444 (A000012 * A128174 + A128174 * A000012) - A000012.

1, 1, 1, 3, 1, 1, 3, 3, 1, 1, 5, 3, 3, 1, 1, 5, 5, 3, 3, 1, 1, 7, 5, 5, 3, 3, 1, 1, 7, 7, 5, 5, 3, 3, 1, 1, 9, 7, 7, 5, 5, 3, 3, 1, 1, 9, 9, 7, 7, 5, 5, 3, 3, 1, 1

Offset: 0

Author

Gary W. Adamson, Oct 25 2007

Keywords

• nonn
• tabl

Comments

Row sums = A000982: (1, 2, 5, 8, 13, 18, 25, ...).

Examples

			First few rows of the triangle:
  1;
  1, 1;
  3, 1, 1;
  3, 3, 1, 1;
  5, 3, 3, 1, 1;
  5, 5, 3, 3, 1, 1;
  ...
		

Crossrefs

Cf. A128174, A000012, A000982.

Formula

(A000012 * A128174 + A128174 * A000012) - A000012, as infinite lower triangular matrices. Triangle read by rows, n-th row = n terms of odd numbers repeated, starting from the right.