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A008481 If n = Product (p_j^k_j) then a(n) = Sum partition(k_j). +0
2
1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 1, 2, 2, 5, 1, 3, 1, 3, 2, 2, 1, 4, 2, 2, 3, 3, 1, 3, 1, 7, 2, 2, 2, 4, 1, 2, 2, 4, 1, 3, 1, 3, 3, 2, 1, 6, 2, 3, 2, 3, 1, 4, 2, 4, 2, 2, 1, 4, 1, 2, 3, 11, 2, 3, 1, 3, 2, 3, 1, 5, 1, 2, 3, 3, 2, 3 (list; graph; listen)
OFFSET

1,4

MATHEMATICA

Prepend[ Array[ Plus @@ (PartitionsP /@ Last[ Transpose[ FactorInteger[ # ] ] ])&, 100, 2 ], 1 ]

CROSSREFS

Sequence in context: A001222 A098893 A069248 this_sequence A127669 A056692 A039637

Adjacent sequences: A008478 A008479 A008480 this_sequence A008482 A008483 A008484

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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