A025925 Expansion of 1/((1-x^9)(1-x^11)(1-x^12)).

1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 2, 1, 1, 2, 0, 1, 1, 1, 1, 2, 1, 2, 3, 1, 2, 2, 1, 1, 2, 1, 2, 3, 2, 3, 3, 2, 2, 3, 1, 2, 3, 2, 3, 4, 3, 3, 4, 2, 3, 4, 2, 3, 4, 3, 4, 5, 3

Offset

0,34

Links

Table of n, a(n) for n=0..79.

Formula

a(n)= +a(n-9) +a(n-11) +a(n-12) -a(n-20) -a(n-21) -a(n-23) +a(n-32). - R. J. Mathar, Jul 19 2014

Crossrefs

Sequence in context: A099917 A137412 A355913 * A240857 A109066 A079066

Adjacent sequences: A025922 A025923 A025924 * A025926 A025927 A025928

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved