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A087180 Number partition numbers <= P(n) of the form 3*k (P=A000041). +0
4
0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 7, 7, 8, 9, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 14, 15, 15, 16, 16, 16, 16, 17, 18, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 24, 25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 28, 28, 28, 28, 28, 29, 29, 30, 31, 31, 31, 31, 32 (list; graph; listen)
OFFSET

0,8

COMMENT

a(n) + A087181(n) + A087182(n) = n + 1.

LINKS

Eric Weisstein's World of Mathematics, Partition Function

Eric Weisstein's World of Mathematics, Parti tion Function P Congruences

CROSSREFS

Cf. A087183, A068907, A087177, A071754.

Sequence in context: A081611 A081228 A003002 this_sequence A029121 A138161 A034136

Adjacent sequences: A087177 A087178 A087179 this_sequence A087181 A087182 A087183

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Aug 23 2003

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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