A037794 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,1,0.

3, 17, 86, 430, 2153, 10767, 53836, 269180, 1345903, 6729517, 33647586, 168237930, 841189653, 4205948267, 21029741336, 105148706680, 525743533403, 2628717667017, 13143588335086, 65717941675430, 328589708377153

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Index entries for linear recurrences with constant coefficients, signature (5,0,0,1,-5).

Formula

G.f.: x*(3+2*x+x^2) / ( (x-1)*(5*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Apr 30 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 2, 1, 0}], 5], {n, 30}] (* Harvey P. Dale, Nov 15 2020 *)

Crossrefs

Sequence in context: A037668 A119884 A143549 * A203851 A198766 A240652

Adjacent sequences: A037791 A037792 A037793 * A037795 A037796 A037797

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved