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

Author

Paul Curtz, Sep 25 2007

Keywords

• nonn
• easy

Links

• 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

Extensions

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