A025920 Expansion of 1/((1-x^8)(1-x^9)(1-x^12)).

1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 2, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 1, 3, 1, 1, 1, 2, 2, 2, 1, 3, 3, 1, 1, 4, 2, 2, 2, 3, 3, 3, 1, 4, 4, 2, 2, 5, 3, 3, 3, 4, 4, 4, 2, 5, 5, 3, 3, 7, 4, 4, 4, 5, 5, 5, 3

Offset

0,25

Links

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

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

a(n)= +a(n-8) +a(n-9) +a(n-12) -a(n-17) -a(n-20) -a(n-21) +a(n-29). - R. J. Mathar, Jul 19 2014

Crossrefs

Sequence in context: A144435 A182533 A173120 * A037821 A316863 A037911

Adjacent sequences: A025917 A025918 A025919 * A025921 A025922 A025923

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved