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A120664 Expansion of 2*x*(1-6*x+12*x^2)/(1-8*x+19*x^2-12*x^3). 0
0, 2, 4, 18, 92, 442, 2004, 8738, 37132, 155082, 640004, 2619058, 10653372, 43144922, 174174004, 701478978, 2820264812, 11324105962, 45425564004, 182089676498, 729520967452, 2921570654202, 11696742970004, 46818352939618 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

Index entries for linear recurrences with constant coefficients, signature (8,-19,12).

FORMULA

From Colin Barker, Aug 02 2012: (Start)

a(n) = 8*a(n-1) - 19*a(n-2) + 12*a(n-3) for n > 3.

G.f.: 2*x*(1-6*x+12*x^2)/(1-8*x+19*x^2-12*x^3). (End)

CROSSREFS

Sequence in context: A075836 A295370 A292280 * A095816 A020101 A099938

Adjacent sequences:  A120661 A120662 A120663 * A120665 A120666 A120667

KEYWORD

nonn,easy,less

AUTHOR

Roger L. Bagula, Aug 11 2006

EXTENSIONS

Edited by N. J. A. Sloane, Jul 13 2007

New name from Colin Barker, Aug 02 2012

STATUS

approved

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Last modified July 5 20:21 EDT 2020. Contains 335473 sequences. (Running on oeis4.)