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A037665 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,0. 0
3, 28, 252, 2271, 20440, 183960, 1655643, 14900788, 134107092, 1206963831, 10862674480, 97764070320, 879876632883, 7918889695948, 71270007263532, 641430065371791, 5772870588346120, 51955835295115080, 467602517656035723, 4208422658904321508 (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 (9,0,1,-9).

FORMULA

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

MATHEMATICA

Table[FromDigits[PadRight[{}, n, {3, 1, 0}], 9], {n, 30}] (* Harvey P. Dale, Apr 29 2018 *)

CROSSREFS

Sequence in context: A323959 A321385 A037777 * A037784 A037588 A307885

Adjacent sequences:  A037662 A037663 A037664 * A037666 A037667 A037668

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Harvey P. Dale, Apr 29 2018

STATUS

approved

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Last modified June 25 04:52 EDT 2021. Contains 345452 sequences. (Running on oeis4.)