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A037512 Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,1. 0
2, 6, 19, 59, 177, 532, 1598, 4794, 14383, 43151, 129453, 388360, 1165082, 3495246, 10485739, 31457219, 94371657, 283114972, 849344918, 2548034754, 7644104263, 22932312791, 68796938373, 206390815120, 619172445362 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..25.

Index entries for linear recurrences with constant coefficients, signature (3,0,1,-3).

FORMULA

G.f.: x*(2+x^2) / ( (x-1)*(3*x-1)*(1+x+x^2) ). - R. J. Mathar, Nov 21 2011

CROSSREFS

Sequence in context: A308240 A328658 A067675 * A111277 A014346 A183188

Adjacent sequences:  A037509 A037510 A037511 * A037513 A037514 A037515

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 5 06:30 EST 2021. Contains 349532 sequences. (Running on oeis4.)