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A080215 Binomial(greatest prime factor of n, smallest odd prime factor of n). +0
2
1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 10, 2, 1, 1, 1, 1, 35, 1, 1, 1, 1, 1, 1, 1, 1, 10, 1, 2, 165, 1, 21, 1, 1, 1, 286, 1, 1, 35, 1, 1, 10, 1, 1, 1, 1, 1, 680, 1, 1, 1, 462, 1, 969, 1, 1, 10, 1, 1, 35, 2, 1287, 165, 1, 1, 1771, 21, 1, 1, 1, 1, 10, 1, 330, 286, 1, 1, 1, 1, 1, 35 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A006530, A078701, A080214, A080212.

Sequence in context: A030338 A106345 A081729 this_sequence A060500 A131718 A131017

Adjacent sequences: A080212 A080213 A080214 this_sequence A080216 A080217 A080218

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 06 2003

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Last modified September 7 23:08 EDT 2008. Contains 143486 sequences.


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