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A158315
A158280(n)/7.
4
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.
CROSSREFS
Sequence in context: A367555 A100049 A261926 * A134059 A219915 A219217
KEYWORD
nonn
AUTHOR
Paul Curtz, Mar 16 2009
EXTENSIONS
Edited and extended by R. J. Mathar, Apr 04 2009
STATUS
approved