A158315 A158280(n)/7.

1, 3, 3, 3, 6, 3, 3, 9, 3, 3, 9, 3, 6, 10, 3, 3, 9, 9, 3, 9, 3, 3, 18, 3, 6, 9, 3, 9, 9, 3, 3, 18, 9, 3, 9, 3, 3, 18, 9, 3, 15, 3, 9, 9, 3, 9, 9, 9, 3, 18, 3, 3, 27, 3, 3, 9, 3, 9, 18, 9, 6, 9, 10, 3, 9, 3, 9, 30, 3, 3, 9, 9, 9, 18, 3, 3, 18, 9, 3, 9, 9, 3, 27, 3, 6, 18, 3, 18, 9, 3, 3, 9, 9, 9, 30, 3, 3, 27

Offset

0,2

Comments

A kind of core or backbone of A145511, A145501 and A145444.

Links

Table of n, a(n) for n=0..97.

Crossrefs

Sequence in context: A367555 A100049 A261926 * A134059 A219915 A219217

Adjacent sequences: A158312 A158313 A158314 * A158316 A158317 A158318

Keyword

nonn

Author

Paul Curtz, Mar 16 2009

Extensions

Edited and extended by R. J. Mathar, Apr 04 2009

Status

approved