A034161 Number of partitions of n into 3 distinct parts from [ 1,18 ].

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

Offset

0,9

Links

Table of n, a(n) for n=0..66.

Formula

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

Crossrefs

Sequence in context: A034158 A034159 A034160 * A034162 A034163 A242678

Adjacent sequences: A034158 A034159 A034160 * A034162 A034163 A034164

Keyword

nonn

Author

N. J. A. Sloane

Status

approved