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A007967 Second factor in happy factorization of n. +0
1
0, 1, 2, 3, 2, 5, 3, 1, 4, 3, 10, 11, 4, 13, 2, 5, 4, 17, 9, 19, 5, 7, 11, 1, 6, 5, 26, 27, 4, 29, 6, 1, 2, 3, 2, 7, 6, 37, 19, 13, 20, 41, 7, 43, 4, 9, 2, 1, 8, 7, 50, 51, 13, 53, 27, 5, 8, 19, 58, 59, 4, 61, 2, 9, 8, 65, 33, 67, 17, 3, 14, 1, 9, 73, 74, 3, 4, 11, 3, 1, 10, 9, 82, 83 (list; graph; listen)
OFFSET

0,3

LINKS

J. H. Conway, On Happy Factorizations, J. Integer Sequences, Vol. 1, 1998, #1.

CROSSREFS

Sequence in context: A132962 A046145 A103309 this_sequence A054494 A112764 A108728

Adjacent sequences: A007964 A007965 A007966 this_sequence A007968 A007969 A007970

KEYWORD

nonn,easy,nice

AUTHOR

J. H. Conway (conway(AT)math.princeton.edu)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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