A025918 Expansion of 1/((1-x^8)(1-x^9)(1-x^10)).

1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 2, 1, 1, 0, 0, 0, 1, 1, 2, 2, 2, 1, 1, 0, 1, 1, 2, 2, 3, 2, 2, 1, 2, 1, 2, 2, 3, 3, 3, 2, 3, 2, 3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 4, 5, 4, 5, 4, 5, 4, 5, 4, 6, 5, 6, 5, 6, 5, 6, 5

Offset

0,19

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, 1, 0, 0, 0, 0, 0, 0, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

a(n)= +a(n-8) +a(n-9) +a(n-10) -a(n-17) -a(n-18) -a(n-19) +a(n-27). - R. J. Mathar, Jul 19 2014

Mathematica

CoefficientList[Series[1/((1-x^8)(1-x^9)(1-x^10)), {x, 0, 80}], x] (* Harvey P. Dale, Mar 30 2012 *)

Crossrefs

Sequence in context: A250211 A243753 A219238 * A030425 A340391 A076879

Adjacent sequences: A025915 A025916 A025917 * A025919 A025920 A025921

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved