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A007967 Second factor in happy factorization of n. 7
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; refs; listen; history; internal format)
OFFSET

0,3

COMMENTS

a(n) = n / A007966(n);

a(A007969(n)) = A191855(n); a(A007970(n)) = A191857(n). [Reinhard Zumkeller, Jun 18 2011]

LINKS

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

Initial Happy Factorization Data

CROSSREFS

Cf. A191914.

Sequence in context: A046145 A103309 A174621 * A054494 A112764 A108728

Adjacent sequences:  A007964 A007965 A007966 * A007968 A007969 A007970

KEYWORD

nonn,easy,nice

AUTHOR

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

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.