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A080214 Binomial(greatest prime factor of n, smallest prime factor of n). +0
2
1, 1, 1, 1, 1, 3, 1, 1, 1, 10, 1, 3, 1, 21, 10, 1, 1, 3, 1, 10, 35, 55, 1, 3, 1, 78, 1, 21, 1, 10, 1, 1, 165, 136, 21, 3, 1, 171, 286, 10, 1, 21, 1, 55, 10, 253, 1, 3, 1, 10, 680, 78, 1, 3, 462, 21, 969, 406, 1, 10, 1, 465, 35, 1, 1287, 55, 1, 136, 1771, 21, 1, 3, 1, 666, 10 (list; graph; listen)
OFFSET

1,6

CROSSREFS

Cf. A006530, A020639, A080215, A080211.

Sequence in context: A081297 A110180 A005765 this_sequence A096066 A064085 A121585

Adjacent sequences: A080211 A080212 A080213 this_sequence A080215 A080216 A080217

KEYWORD

nonn

AUTHOR

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

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Last modified September 5 23:56 EDT 2008. Contains 143485 sequences.


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