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A087181 Number partition numbers <= P(n) of the form 3*k+1 (P=A000041). +0
4
1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 9, 9, 9, 9, 9, 9, 10, 10, 11, 12, 12, 12, 12, 12, 12, 12, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 17, 17, 17, 17, 18, 18, 18, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 21, 22, 22, 22, 22, 23, 23, 23 (list; graph; listen)
OFFSET

0,2

COMMENT

A087180(n) + a(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. A087184, A068907, A087177, A071754.

Sequence in context: A090617 A053693 A068063 this_sequence A034973 A066927 A060065

Adjacent sequences: A087178 A087179 A087180 this_sequence A087182 A087183 A087184

KEYWORD

nonn

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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