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A037648 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1. 0
3, 18, 109, 657, 3942, 23653, 141921, 851526, 5109157, 30654945, 183929670, 1103578021, 6621468129, 39728808774, 238372852645, 1430237115873, 8581422695238, 51488536171429, 308931217028577, 1853587302171462 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..20.

Index entries for linear recurrences with constant coefficients, signature (6,0,1,-6)

FORMULA

G.f.: x*(3+x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

CROSSREFS

Sequence in context: A132900 A050623 A037760 * A036724 A037767 A037655

Adjacent sequences:  A037645 A037646 A037647 * A037649 A037650 A037651

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)