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A001877 Number of divisors of n of form 5k+2. +0
2
0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 2, 0, 2, 0, 1, 1, 1, 0, 1, 1, 2, 0, 2, 0, 1, 1, 2, 0, 1, 0, 2, 0, 2, 1, 2, 1, 1, 0, 1, 0, 3, 0, 2, 0, 1, 1, 2, 1, 1, 1, 2, 0, 2, 0, 2, 1, 1, 0, 2, 0, 2, 1, 2, 0, 2, 1, 2, 0, 2, 0, 3, 0, 2, 0, 1, 2, 1, 0, 1 (list; graph; listen)
OFFSET

0,13

FORMULA

G.f.: Sum x^(5n+2)/(1-x^(5n+2)), n=0..inf.

CROSSREFS

Sequence in context: A035446 A126211 A095414 this_sequence A112712 A026608 A026612

Adjacent sequences: A001874 A001875 A001876 this_sequence A001878 A001879 A001880

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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