A118177 a(n) = number of positive divisors of A118176(n).

1, 1, 2, 2, 2, 2, 2, 2, 4, 4, 3, 2, 2, 2, 6, 4, 2, 5, 4, 6, 5, 2, 2, 2, 2, 4, 4, 3, 4, 2, 4, 2, 8, 3, 4, 4, 6, 4, 4, 4, 8, 4, 4, 8, 2, 8, 2, 2, 6, 6, 4, 4, 4, 3, 9, 4, 2, 4, 4, 2, 4, 4, 4, 6, 8, 12, 6, 12, 6, 7, 3, 4, 4, 2, 8, 2, 6, 2, 8, 2, 8, 4, 4, 5, 8, 4, 4, 8, 6, 4, 2, 5, 2, 4, 4, 4, 4, 4, 8, 6

Offset

1,3

Links

Table of n, a(n) for n=1..100.

Formula

a(n) = A000005(A118176(n)). - R. J. Mathar, Sep 06 2007

Crossrefs

Cf. A118176.

Sequence in context: A326353 A060447 A268045 * A105069 A172008 A100825

Adjacent sequences: A118174 A118175 A118176 * A118178 A118179 A118180

Keyword

nonn

Author

Leroy Quet, Apr 13 2006

Extensions

More terms from R. J. Mathar, Sep 06 2007

Status

approved