A034155 Number of partitions of n into 3 distinct parts from [ 1,12 ].

0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 7, 8, 10, 12, 13, 14, 15, 15, 15, 15, 14, 13, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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..75.

Formula

Coefficient of t^3 in (1+tx)(1+tx^2)(1+tx^3)...(1+tx^12).

Crossrefs

Sequence in context: A103740 A317578 A306435 * A306403 A129590 A261132

Adjacent sequences: A034152 A034153 A034154 * A034156 A034157 A034158

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved