A070636 a(n) = n^6 mod 13.

0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12, 12, 12, 12, 1, 1, 12, 1, 0, 1, 12, 1, 1, 12

Offset

0,3

Links

Table of n, a(n) for n=0..83.

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

Formula

a(n) = a(n-13). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 90], 6, 13]  (* Harvey P. Dale, Feb 13 2011 *)

Prog

(Sage) [power_mod(n, 6, 13)for n in range(0, 84)] # Zerinvary Lajos, Nov 06 2009
(PARI) a(n)=n^6%13 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A010207 A010206 A174096 * A168646 A051457 A174450

Adjacent sequences: A070633 A070634 A070635 * A070637 A070638 A070639

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved