A037655 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2.

3, 18, 110, 663, 3978, 23870, 143223, 859338, 5156030, 30936183, 185617098, 1113702590, 6682215543, 40093293258, 240559759550, 1443358557303, 8660151343818, 51960908062910, 311765448377463, 1870592690264778

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Index entries for linear recurrences with constant coefficients, signature (6,0,1,-6).

Formula

G.f.: x*(3+2*x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

Mathematica

Table[FromDigits[PadRight[{}, n, {3, 0, 2}], 6], {n, 20}] (* or *) LinearRecurrence[{6, 0, 1, -6}, {3, 18, 110, 663}, 20] (* Harvey P. Dale, Nov 26 2025 *)

Crossrefs

Sequence in context: A037648 A036724 A037767 * A074571 A114311 A134092

Adjacent sequences: A037652 A037653 A037654 * A037656 A037657 A037658

Keyword

nonn,base,easy

Author

Clark Kimberling

Status

approved