A131186 Period 12: repeat 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1.

0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3, 0, 3, 1, 0, 1, 2, 0, 2, 4, 0, 4, 3

Offset

0,3

Links

Table of n, a(n) for n=0..104.

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

Formula

O.g.f.: -(x^5+3x^4-x^3-x^2+2x+1)*x/((x-1)(x^2+x+1)(x^4-x^2+1)) . - R. J. Mathar, Jan 15 2008

a(n+1) = sum(A211313(n, k), k=0..n) mod 5 - Johannes W. Meijer, Jul 19 2013

a(n) = a(n-2) + a(n-3) - a(n-4) - a(n-5) + a(n-7) for n > 6. - Chai Wah Wu, Feb 16 2021

Crossrefs

Sequence in context: A194759 A209697 A126440 * A137312 A137320 A263399

Adjacent sequences: A131183 A131184 A131185 * A131187 A131188 A131189

Keyword

nonn,easy

Author

Paul Curtz, Sep 25 2007

Extensions

More terms from R. J. Mathar, Jan 15 2008

Status

approved