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A037728 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,3,1. 0
2, 18, 165, 1486, 13376, 120384, 1083459, 9751132, 87760190, 789841710, 7108575393, 63977178538, 575794606844, 5182151461596, 46639363154367, 419754268389304, 3777788415503738 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

Index entries for linear recurrences with constant coefficients, signature (9,0,0,1,-9).

FORMULA

G.f.: ( x*(2+3*x^2+x^3) ) / ( (x-1)*(9*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 14 2015

CROSSREFS

Sequence in context: A245998 A005260 A183250 * A037623 A052865 A052883

Adjacent sequences:  A037725 A037726 A037727 * A037729 A037730 A037731

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 20 06:59 EDT 2021. Contains 343125 sequences. (Running on oeis4.)