A132401 Period 8: repeat 0, 0, 1, 1, 2, -1, -1, -2.

0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2, -1, -1, -2, 0, 0, 1, 1, 2

Offset: 0

Author

Paul Curtz, Nov 12 2007

Keywords

• sign
• easy

Links

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

Crossrefs

Cf. A132367.

Programs

PARI

a(n)=[0, 0, 1, 1, 2, -1, -1, -2][n%8+1] \\ Charles R Greathouse IV, Jul 13 2016