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

1,2

Links

Table of n, a(n) for n=1..78.

Formula

a(n) = if A014963*A100994<n then 0 else A014963*A100994-n

Prog

(Excel) =if(A014963*A100994<column(); 0; A014963*A100994-column())

Crossrefs

Cf. A014963, A100994, A133232, A133233.

Sequence in context: A269372 A282902 A033457 * A065350 A333923 A063427

Adjacent sequences: A133933 A133934 A133935 * A133937 A133938 A133939

Keyword

nonn

Author

Mats Granvik, Jan 21 2008

Status

approved