A131715 Period 12: repeat 0,2,4,0,-6,8,0,-2,-4,0,6,-8.

0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8, 0, 2, 4, 0, -6, 8, 0, -2, -4

Offset

0,2

Links

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

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

Mathematica

LinearRecurrence[{0, 0, 0, 0, 0, -1}, {0, 2, 4, 0, -6, 8}, 105] (* Ray Chandler, Aug 08 2015 *)
PadRight[{}, 120, {0, 2, 4, 0, -6, 8, 0, -2, -4, 0, 6, -8}] (* Harvey P. Dale, Sep 18 2018 *)

Crossrefs

Sequence in context: A070676 A291306 A068451 * A200165 A326938 A344031

Adjacent sequences: A131712 A131713 A131714 * A131716 A131717 A131718

Keyword

sign,easy

Author

Paul Curtz, Sep 14 2007

Extensions

Definition corrected by Paolo P. Lava, Jul 03 2008

Status

approved