A070651 a(n) = n^6 mod 28.

0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8, 1, 8, 1, 8, 21, 8, 1, 8, 1, 8, 1, 0, 1, 8

Offset

0,3

Links

Table of n, a(n) for n=0..100.

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

Formula

a(n) = a(n-14). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 100], 6, 28] (* Wesley Ivan Hurt, Dec 26 2023 *)

Prog

(Sage) [power_mod(n, 6, 28)for n in range(0, 101)] # Zerinvary Lajos, Nov 06 2009
(PARI) a(n)=n^6%28 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A021059 A010689 A070637 * A266528 A010519 A238214

Adjacent sequences: A070648 A070649 A070650 * A070652 A070653 A070654

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved