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A134017 Period 9: repeat 1, 2, 4, 3, 5, 3, 4, 2, 1. 0
1, 2, 4, 3, 5, 3, 4, 2, 1, 1, 2, 4, 3, 5, 3, 4, 2, 1, 1, 2, 4, 3, 5, 3, 4, 2, 1, 1, 2, 4, 3, 5, 3, 4, 2, 1, 1, 2, 4, 3, 5, 3, 4, 2, 1, 1, 2, 4, 3, 5, 3, 4, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..53.

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

FORMULA

a(n)=(1/324)*{25*(n mod 9)+61*[(n+1) mod 9]+97*[(n+2) mod 9]-11*[(n+3) mod 9]+97*[(n+4) mod 9]-47*[(n+5) mod 9]+61*[(n+6) mod 9]-47*[(n+7) mod 9]-11*[(n+8) mod 9]}, with n>=0 - Paolo P. Lava, Jan 25 2008

MATHEMATICA

PadRight[{}, 120, {1, 2, 4, 3, 5, 3, 4, 2, 1}] (* Harvey P. Dale, Dec 03 2017 *)

PROG

(PARI) a(n)=[1, 2, 4, 3, 5, 3, 4, 2, 1][n%9+1] \\ Charles R Greathouse IV, Jul 13 2016

CROSSREFS

Sequence in context: A019656 A256751 A249484 * A292285 A163984 A283366

Adjacent sequences:  A134014 A134015 A134016 * A134018 A134019 A134020

KEYWORD

nonn,easy

AUTHOR

Paul Curtz, Jan 10 2008

STATUS

approved

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Last modified September 17 01:53 EDT 2021. Contains 347478 sequences. (Running on oeis4.)