A028007 Expansion of 1/((1-2x)(1-7x)(1-8x)(1-11x)).

1, 28, 511, 7722, 105105, 1340976, 16393987, 194632774, 2263422469, 25933837644, 293957202903, 3305777399106, 36960914527993, 411484609521832, 4566596614746859, 50561336628369918, 558851419944076077

Offset

0,2

Links

Harvey P. Dale, Table of n, a(n) for n = 0..959

Index entries for linear recurrences with constant coefficients, signature (28,-273,1058,-1232).

Formula

a(n)=(5*11^(n+3)-30*8^(n+3)+27*7^(n+3)-2^(n+4))/540. [Yahia Kahloune, Jun 06 2013]

Mathematica

CoefficientList[Series[1/((1-2x)(1-7x)(1-8x)(1-11x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{28, -273, 1058, -1232}, {1, 28, 511, 7722}, 30] (* Harvey P. Dale, Jun 27 2021 *)

Crossrefs

Sequence in context: A028009 A028119 A028069 * A028078 A028000 A028067

Adjacent sequences: A028004 A028005 A028006 * A028008 A028009 A028010

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved