A037658 - OEIS

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A037658

Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2.

3, 27, 245, 2208, 19872, 178850, 1609653, 14486877, 130381895, 1173437058, 10560933522, 95048401700, 855435615303, 7698920537727, 69290284839545, 623612563555908, 5612513072003172

(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 (9,0,1,-9).

FORMULA

G.f.: x*(3+2*x^2) / ( (x-1)*(9*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

CROSSREFS

Sequence in context: A037763 A037651 A037770 * A370271 A163474 A235373

Adjacent sequences: A037655 A037656 A037657 * A037659 A037660 A037661

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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