A133936 Number of times prime powers occur in the columns of tables A133232 and A133233.

0, 2, 6, 4, 20, 0, 42, 8, 18, 0, 110, 0, 156, 0, 0, 16, 272, 0, 342, 0, 0, 0, 506, 0, 100, 0, 54, 0, 812, 0, 930, 32, 0, 0, 0, 0, 1332, 0, 0, 0, 1640, 0, 1806, 0, 0, 0, 2162, 0, 294, 0, 0, 0, 2756, 0, 0, 0, 0, 0, 3422, 0, 3660, 0, 0, 64, 0, 0, 4422, 0, 0, 0, 4970, 0, 5256, 0, 0, 0, 0, 0

Offset: 1

Author

Mats Granvik, Jan 21 2008

Keywords

• nonn

Crossrefs

Cf. A014963, A100994, A133232, A133233.

Programs

Excel

=if(A014963*A100994A014963*A100994-column())

Formula

a(n) = if A014963*A100994A014963*A100994-n