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A037780 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,2,0. 0
3, 16, 82, 410, 2053, 10266, 51332, 256660, 1283303, 6416516, 32082582, 160412910, 802064553, 4010322766, 20051613832, 100258069160, 501290345803, 2506451729016, 12532258645082, 62661293225410, 313306466127053 (list; graph; refs; listen; history; text; internal format)
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+x+2*x^2) / ( (x-1)*(5*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 01 2015

MATHEMATICA

Table[FromDigits[PadRight[{}, n, {3, 1, 2, 0}], 5], {n, 30}] (* Harvey P. Dale, May 17 2018 *)

CROSSREFS

Sequence in context: A290587 A072615 A020871 * A163012 A164100 A041707

Adjacent sequences:  A037777 A037778 A037779 * A037781 A037782 A037783

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 25 02:25 EDT 2021. Contains 347651 sequences. (Running on oeis4.)