A130070 Moebius transform of A130069.

2, 1, 2, 3, 0, 2, 4, 1, 0, 2, 9, 0, 0, 0, 2, 7, 3, 1, 0, 0, 2, 15, 0, 0, 0, 0, 0, 2, 12, 4, 0, 1, 0, 0, 0, 2, 18, 0, 3, 0, 0, 0, 0, 0, 2, 17, 9, 0, 0, 1, 0, 0, 0, 0, 2

Offset: 1

Author

Gary W. Adamson, May 05 2007

Keywords

• nonn
• tabl

Comments

Row sums = the primes, A000040: (2, 3, 5, 7, ...). Left column = A007444, the Moebius transform of the primes: (2, 1, 3, 4, 9, 7, 15, ...). A130071 = triangle with reversal of nonzero terms.

Examples

			First few rows of the triangle:
   2;
   1, 2;
   3, 0, 2;
   4, 1, 0, 2;
   9, 0, 0, 0, 2;
   7, 3, 1, 0, 0, 2;
  15, 0, 0, 0, 0, 0, 2;
  12, 4, 0, 1, 0, 0, 0, 2;
  18, 0, 3, 0, 0, 0, 0, 0, 2;
  17, 9, 0, 0, 1, 0, 0, 0, 0, 2;
  ...
		

Crossrefs

Cf. A054525, A130069, A130071.

Formula

A054525 * A130069.