A037679 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.

1, 9, 83, 750, 6751, 60759, 546833, 4921500, 44293501, 398641509, 3587773583, 32289962250, 290609660251, 2615486942259, 23539382480333, 211854442323000, 1906689980907001

Offset

1,2

Links

Table of n, a(n) for n=1..17.

Index entries for linear recurrences with constant coefficients, signature (10,-10,10,-9).

Formula

G.f.: x*(1-x+3*x^2) / ( (x-1)*(9*x-1)*(x^2+1) ). - R. J. Mathar, May 04 2015

Mathematica

nn=30; With[{digs=PadRight[{}, nn, {1, 0, 2, 3}]}, Table[FromDigits[Take[ digs, n], 9], {n, nn}]] (* Harvey P. Dale, Jun 19 2013 *)

Crossrefs

Sequence in context: A039357 A048353 A037502 * A015579 A162759 A147960

Adjacent sequences: A037676 A037677 A037678 * A037680 A037681 A037682

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved