A028018 Expansion of 1/((1-2x)(1-8x)(1-10x)(1-11x)).

1, 31, 625, 10395, 155001, 2155251, 28559665, 365471515, 4555708201, 55646962371, 668889963105, 7936976609835, 93190238832601, 1084660596151891, 12532810309612945, 143923263421271355

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Index entries for linear recurrences with constant coefficients, signature (31,-336,1436,-1760).

Formula

a(n)=(16*11^(n+3)-27*10^(n+3)+12*8^(n+3)-2^(n+3))/432. [Yahia Kahloune, Jun 06 2013]

Mathematica

CoefficientList[Series[1/((1-2x)(1-8x)(1-10x)(1-11x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{31, -336, 1436, -1760}, {1, 31, 625, 10395}, 30] (* Harvey P. Dale, May 16 2016 *)

Crossrefs

Sequence in context: A042864 A028095 A028128 * A028087 A028017 A028013

Adjacent sequences: A028015 A028016 A028017 * A028019 A028020 A028021

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved