A037672 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.

3, 29, 261, 2352, 21170, 190530, 1714773, 15432959, 138896631, 1250069682, 11250627140, 101255644260, 911300798343, 8201707185089, 73815364665801, 664338281992212, 5979044537929910

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

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 2, 0}], 9], {n, 20}] (* Harvey P. Dale, Aug 13 2023 *)

Crossrefs

Sequence in context: A135163 A074366 A037791 * A037798 A224754 A162928

Adjacent sequences: A037669 A037670 A037671 * A037673 A037674 A037675

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved