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Search: id:A050367
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A050367 Number of ways to factor n into 2 kinds of 2, 3 kinds of 3, ... +0
1
1, 2, 3, 7, 5, 12, 7, 20, 15, 20, 11, 45, 13, 28, 30, 59, 17, 66, 19, 75, 42, 44, 23, 150, 40, 52, 64, 105, 29, 150, 31, 162, 66, 68, 70, 270, 37, 76, 78, 250, 41, 210, 43, 165, 165, 92, 47, 477, 77, 180, 102, 195, 53, 326, 110, 350, 114, 116, 59, 630, 61, 124, 231 (list; graph; listen)
OFFSET

1,2

FORMULA

Dirichlet g.f.: prod{n=2 to inf}(1/(1-1/n^s)^n).

CROSSREFS

Sequence in context: A139317 A117928 A064011 this_sequence A059459 A124440 A067363

Adjacent sequences: A050364 A050365 A050366 this_sequence A050368 A050369 A050370

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Oct 15 1999.

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.


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