A028182 Expansion of 1/((1-5x)(1-7x)(1-8x)(1-11x)).

1, 31, 610, 9750, 138411, 1822821, 22826140, 275975500, 3254034421, 37677164811, 430475351670, 4870239751650, 54700558488031, 611065572906001, 6798955260233200, 75422919700042200, 834843345187547241

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (31, -351, 1721, -3080).

Formula

a(n)=(11^(n+3)-8^(n+4)+9*7^(n+3)-2*5^(n+3))/72. [Yahia Kahloune, Jun 04 2013]

Mathematica

CoefficientList[Series[1/((1-5x)(1-7x)(1-8x)(1-11x)), {x, 0, 30}], x]  (* Harvey P. Dale, Apr 03 2011 *)

Crossrefs

Sequence in context: A028201 A028184 A215794 * A028155 A028175 A028150

Adjacent sequences: A028179 A028180 A028181 * A028183 A028184 A028185

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved