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A034161 Number of partitions of n into 3 distinct parts from [ 1,18 ]. +0
1
0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 7, 8, 10, 12, 14, 16, 19, 21, 24, 27, 29, 31, 33, 34, 35, 36, 36, 36, 36, 35, 34, 33, 31, 29, 27, 24, 21, 19, 16, 14, 12, 10, 8, 7, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

0,9

FORMULA

Coefficient of t^3 in (1+tx)(1+tx^2)(1+tx^3)...(1+tx^18).

CROSSREFS

Sequence in context: A034158 A034159 A034160 this_sequence A034162 A034163 A034092

Adjacent sequences: A034158 A034159 A034160 this_sequence A034162 A034163 A034164

KEYWORD

nonn

AUTHOR

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

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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