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A083328 (6^n-5^n+4^n-3^n)/2. 1
0, 1, 9, 64, 423, 2716, 17199, 108004, 673983, 4183516, 25845039, 158993044, 974443743, 5952752716, 36262150479, 220363399684, 1336386968703, 8090385360316, 48906795729519, 295279984663924, 1780943516632863 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Binomial transform of A083327

LINKS

Table of n, a(n) for n=0..20.

Index entries for linear recurrences with constant coefficients, signature (18,-119,342,-360).

FORMULA

G.f. x(1-9x+21x^2)/((1-3x)(1-4x)(1-5x)(1-6x)).

E.g.f. exp(6x)-exp(5x)+exp(4x)-exp(3x)

CROSSREFS

Sequence in context: A181888 A000444 A143631 * A000846 A231822 A049684

Adjacent sequences:  A083325 A083326 A083327 * A083329 A083330 A083331

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Apr 27 2003

STATUS

approved

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Last modified February 20 21:53 EST 2018. Contains 299387 sequences. (Running on oeis4.)