A128589 A051731 * A127647.

1, 1, 1, 1, 0, 2, 1, 1, 0, 3, 1, 0, 0, 0, 5, 1, 1, 2, 0, 0, 8, 1, 0, 0, 0, 0, 0, 13, 1, 1, 0, 3, 0, 0, 0, 21, 1, 0, 2, 0, 0, 0, 0, 0, 34, 1, 1, 0, 0, 5, 0, 0, 0, 0, 55

Offset: 1

Author

Gary W. Adamson, Mar 11 2007

Keywords

• nonn
• tabl

Comments

Row sums = A007435: (1, 2, 3, 5, 6, 12, 14, ...), inverse Moebius transform of the Fibonacci numbers.

Examples

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

Crossrefs

Cf. A051731, A127647, A007435.

Formula

Inverse Moebius transform of A127647, as infinite lower triangular matrices.