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A037686 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3,2. 0
1, 9, 84, 758, 6823, 61407, 552666, 4973996, 44765965, 402893685, 3626043168, 32634388514, 293709496627, 2643385469643, 23790469226790, 214114223041112, 1927028007370009 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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*(1+3*x^2+2*x^3) ) / ( (x-1)*(9*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 11 2015

MATHEMATICA

Table[FromDigits[PadRight[{}, n, {1, 0, 3, 2}], 9], {n, 20}] (* Harvey P. Dale, Feb 05 2019 *)

CROSSREFS

Sequence in context: A203455 A272582 A037595 * A181353 A152056 A086627

Adjacent sequences:  A037683 A037684 A037685 * A037687 A037688 A037689

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 18 08:40 EDT 2021. Contains 345098 sequences. (Running on oeis4.)