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Search: id:A007966
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A007966 First factor in happy factorization of n. +0
1
0, 1, 1, 1, 2, 1, 2, 7, 2, 3, 1, 1, 3, 1, 7, 3, 4, 1, 2, 1, 4, 3, 2, 23, 4, 5, 1, 1, 7, 1, 5, 31, 16, 11, 17, 5, 6, 1, 2, 3, 2, 1, 6, 1, 11, 5, 23, 47, 6, 7, 1, 1, 4, 1, 2, 11, 7, 3, 1, 1, 15, 1, 31, 7, 8, 1, 2, 1, 4, 23, 5, 71, 8, 1, 1, 25, 19, 7, 26, 79, 8, 9, 1, 1, 3, 1, 2, 3, 4, 1, 9 (list; graph; listen)
OFFSET

0,5

LINKS

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

CROSSREFS

Adjacent sequences: A007963 A007964 A007965 this_sequence A007967 A007968 A007969

Sequence in context: A131057 A051852 A054495 this_sequence A011241 A021051 A113246

KEYWORD

nonn

AUTHOR

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

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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