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A083588 Binomial transform of A083587. 1
1, 5, 19, 71, 273, 1081, 4367, 17835, 73165, 300317, 1230795, 5031439, 20509577, 83366913, 337984903, 1367085683, 5518563909, 22239268069, 89495156291, 359724017367, 1444513666561, 5796069718985, 23241810818559, 93150299455291 (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 (11,-43,69,-36).

FORMULA

a(n)=4*4^n/3-5/6-n3^(n-1)+3^n/2.

O.g.f.: (1-6*x+7*x^2+8*x^3)/[(-1+x)(-1+4*x)(-1+3*x)^2]. - R. J. Mathar, Apr 02 2008

MATHEMATICA

LinearRecurrence[{11, -43, 69, -36}, {1, 5, 19, 71}, 30] (* Harvey P. Dale, May 30 2016 *)

CROSSREFS

Sequence in context: A296630 A001834 A099393 * A149759 A149760 A149761

Adjacent sequences:  A083585 A083586 A083587 * A083589 A083590 A083591

KEYWORD

easy,nonn

AUTHOR

Paul Barry, May 01 2003

STATUS

approved

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Last modified November 30 02:42 EST 2020. Contains 338781 sequences. (Running on oeis4.)