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A025983 Expansion of 1/((1-2x)(1-4x)(1-10x)(1-11x)). 0
1, 27, 485, 7335, 101181, 1319967, 16597525, 203384295, 2445473261, 28983189807, 339647023365, 3944444998455, 45472205947741, 521027509282047, 5939635577526005, 67419323254471815, 762445883405916621 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

Index entries for linear recurrences with constant coefficients, signature (27,-244,828,-880).

FORMULA

a(n) = -2^n/18 +16*4^n/21 -125*10^n/6 +1331*11^n/63. - R. J. Mathar, Jun 20 2013

MATHEMATICA

CoefficientList[Series[1/((1-2x)(1-4x)(1-10x)(1-11x)), {x, 0, 20}], x] (* Harvey P. Dale, Aug 11 2019 *)

CROSSREFS

Sequence in context: A024439 A026006 A024346 * A081139 A020976 A024114

Adjacent sequences:  A025980 A025981 A025982 * A025984 A025985 A025986

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 2 23:51 EDT 2022. Contains 357230 sequences. (Running on oeis4.)