A133703 A054525 * A133701.

1, 0, 1, 1, 0, 2, 0, 0, 0, 1, 1, 0, 0, 0, 2, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 3, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2

Offset: 1

Author

Gary W. Adamson, Sep 21 2007

Keywords

• nonn
• tabl
• more

Comments

Right border = A001227: (1, 1, 2, 1, 2, 2, 2, 1, 3, ...), the number of odd divisors of n.

Row sums = A023136: (1, 1, 3, 1, 3, 3, 3, 1, 5, 3, ...).

Examples

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

Crossrefs

Cf. A054525, A133701, A001227, A023136.

Formula

Mobius transform of triangle A133701.