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A037667 Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0. 0
3, 14, 56, 227, 910, 3640, 14563, 58254, 233016, 932067, 3728270, 14913080, 59652323, 238609294, 954437176, 3817748707, 15270994830, 61083979320, 244335917283, 977343669134, 3909374676536, 15637498706147, 62549994824590 (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 (4,0,1,-4).

FORMULA

G.f.: x*(3+2*x) / ( (x-1)*(4*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015

CROSSREFS

Sequence in context: A026544 A026527 A037786 * A111468 A052412 A037793

Adjacent sequences:  A037664 A037665 A037666 * A037668 A037669 A037670

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 24 03:29 EDT 2021. Contains 346273 sequences. (Running on oeis4.)