A134505 Replace 0's with 1's in triangle A049310, and take absolute values.

1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 4, 1, 1, 1, 1, 6, 1, 5, 1, 1, 1, 4, 1, 10, 1, 6, 1, 1, 1, 1, 10, 1, 15, 1, 7, 1, 1, 1, 5, 1, 20, 1, 21, 1, 8, 1, 1, 1, 1, 15, 1, 35, 1, 28, 1, 9, 1, 1, 1, 6, 1, 35, 1, 56, 1, 36, 1, 10, 1, 1

Offset: 1

Author

Gary W. Adamson, Oct 28 2007

Keywords

• nonn
• tabl

Comments

Row sums = A134506: (1, 2, 3, 5, 7, 11, 16, ...).

Examples

			First few rows of the triangle are:
  1;
  1,  1;
  1,  1,  1;
  1,  2,  1,  1;
  1,  1,  3,  1,  1;
  1,  3,  1,  4,  1,  1;
  1,  1,  6,  1,  5,  1,  1;
  1,  4,  1, 10,  1,  6,  1,  1;
  1,  1, 10,  1, 15,  1,  7,  1,  1;
  ...
		

Crossrefs

Cf. A049310, A134506.

Extensions

Definition corrected by Eric Rowland, Jun 23 2017

a(43) = 7 corrected and more terms from Georg Fischer, Jun 07 2023