A037763 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1,2.

3, 27, 244, 2198, 19785, 178065, 1602586, 14423276, 129809487, 1168285383, 10514568448, 94631116034, 851680044309, 7665120398781, 68986083589030, 620874752301272, 5587872770711451

Offset

1,1

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*(3+x^2+2*x^3) / ( (x-1)*(9*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 02 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 0, 1, 2}], 9], {n, 20}] (* or *) LinearRecurrence[{9, 0, 0, 1, -9}, {3, 27, 244, 2198, 19785}, 20] (* Harvey P. Dale, Jul 03 2021 *)

Crossrefs

Sequence in context: A102518 A361842 A168495 * A037651 A037770 A037658

Adjacent sequences: A037760 A037761 A037762 * A037764 A037765 A037766

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved