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A037765 Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2,1. 0
3, 12, 50, 201, 807, 3228, 12914, 51657, 206631, 826524, 3306098, 13224393, 52897575, 211590300, 846361202, 3385444809, 13541779239, 54167116956, 216668467826, 866673871305, 3466695485223, 13866781940892, 55467127763570 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..23.

Index entries for linear recurrences with constant coefficients, signature (4,0,0,1,-4).

FORMULA

G.f.: x*(3+2*x^2+x^3) / ( (x-1)*(4*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 02 2015

MATHEMATICA

Table[FromDigits[PadRight[{}, n, {3, 0, 2, 1}], 4], {n, 30}] (* Harvey P. Dale, May 09 2018 *)

CROSSREFS

Sequence in context: A034541 A180879 A180283 * A037653 A229665 A092443

Adjacent sequences:  A037762 A037763 A037764 * A037766 A037767 A037768

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 30 03:34 EDT 2022. Contains 354913 sequences. (Running on oeis4.)