A070646 a(n) = n^6 mod 23.

0, 1, 18, 16, 2, 8, 12, 4, 13, 3, 6, 9, 9, 6, 3, 13, 4, 12, 8, 2, 16, 18, 1, 0, 1, 18, 16, 2, 8, 12, 4, 13, 3, 6, 9, 9, 6, 3, 13, 4, 12, 8, 2, 16, 18, 1, 0, 1, 18, 16, 2, 8, 12, 4, 13, 3, 6, 9, 9, 6, 3, 13, 4, 12, 8, 2, 16, 18, 1, 0, 1, 18, 16, 2, 8, 12, 4, 13, 3, 6, 9, 9, 6, 3, 13, 4, 12, 8, 2

Offset

0,3

Links

Table of n, a(n) for n=0..88.

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

Formula

a(n) = a(n-23). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 90], 6, 23] (* or *) PadRight[{}, 90, {0, 1, 18, 16, 2, 8, 12, 4, 13, 3, 6, 9, 9, 6, 3, 13, 4, 12, 8, 2, 16, 18, 1}] (* Harvey P. Dale, Jul 18 2021 *)

Prog

(Sage) [power_mod(n, 6, 23)for n in range(0, 89)] # Zerinvary Lajos, Nov 06 2009
(PARI) a(n)=n^6%23 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A298723 A299557 A079293 * A375676 A094381 A375675

Adjacent sequences: A070643 A070644 A070645 * A070647 A070648 A070649

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved