A171405 Sum of divisors of n, excluding divisors 2 and 3.

1, 1, 1, 5, 6, 7, 8, 13, 10, 16, 12, 23, 14, 22, 21, 29, 18, 34, 20, 40, 29, 34, 24, 55, 31, 40, 37, 54, 30, 67, 32, 61, 45, 52, 48, 86, 38, 58, 53, 88, 42, 91, 44, 82, 75, 70, 48, 119, 57, 91, 69, 96, 54, 115, 72, 118, 77, 88, 60, 163, 62, 94, 101, 125, 84, 139, 68, 124, 93, 142

Offset

1,4

Links

Table of n, a(n) for n=1..70.

Crossrefs

Sequence in context: A309102 A080703 A284682 * A047575 A014097 A219331

Adjacent sequences: A171402 A171403 A171404 * A171406 A171407 A171408

Keyword

nonn

Author

Juri-Stepan Gerasimov, Dec 07 2009, Apr 20 2010.

Extensions

Definition and some values corrected by R. J. Mathar, Jun 07 2010

Status

approved