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A007968 Type of happy factorization of n. 12
0, 0, 1, 2, 0, 1, 1, 2, 2, 0, 1, 2, 1, 1, 1, 2, 0, 1, 1, 2, 1, 1, 1, 2, 2, 0, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 0, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 0, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 0, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 0, 1, 1, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

a(A000290(n)) = 0; a(A007969(n)) = 1; a(A007920(n)) = 2.

LINKS

Table of n, a(n) for n=0..104.

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

Reinhard Zumkeller, Initial Happy Factorization Data for n <= 250

CROSSREFS

Sequence in context: A048881 A026931 A127506 * A236532 A077763 A030218

Adjacent sequences:  A007965 A007966 A007967 * A007969 A007970 A007971

KEYWORD

nonn

AUTHOR

J. H. Conway

STATUS

approved

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Last modified April 18 06:39 EDT 2014. Contains 240706 sequences.