A028006 Expansion of 1/((1-2x)(1-7x)(1-8x)(1-10x)).

1, 27, 473, 6831, 88473, 1069551, 12338761, 137686527, 1499327225, 16029462735, 168979616169, 1762044328863, 18217806426457, 187092613978479, 1911192049791497, 19440694364069439, 197083660672701369, 1992576025702599183, 20101955387867645545

Offset

0,2

Links

Table of n, a(n) for n=0..18.

Index entries for linear recurrences with constant coefficients, signature (27,-256,972,-1120).

Formula

a(n) = (5*10^(n+3)-20*8^(n+3)+16*7^(n+3)-2^(n+3))/240. - Yahia Kahloune, Jun 05 2013

Mathematica

CoefficientList[Series[1/((1-2x)(1-7x)(1-8x)(1-10x)), {x, 0, 20}], x] (* Harvey P. Dale, Mar 17 2019 *)

Crossrefs

Sequence in context: A028118 A028068 A028077 * A028066 A026795 A028114

Adjacent sequences: A028003 A028004 A028005 * A028007 A028008 A028009

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved