A141035 - OEIS

A141035

Period 10: repeat 0, 0, 4, 2, -2, 4, 2, -4, -4, -2.

0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2, -4, -4, -2, 0, 0, 4, 2, -2, 4, 2

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..96.

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

FORMULA

G.f.: 2*x^2*(1+x)*(x^4+x^3+2*x^2-x+2) / ( (1+x+x^2+x^3+x^4)*(x^4-x^3+x^2-x+1) ). - R. J. Mathar, Oct 08 2011

MATHEMATICA

PadRight[{}, 100, {0, 0, 4, 2, -2, 4, 2, -4, -4, -2}] (* Jinyuan Wang, Feb 26 2020 *)

CROSSREFS

Sequence in context: A216671 A251628 A170988 * A082129 A100854 A194688

Adjacent sequences: A141032 A141033 A141034 * A141036 A141037 A141038

KEYWORD

sign,easy,less

AUTHOR

Paul Curtz, Jul 30 2008

STATUS

approved