A070642 a(n) = n^6 mod 19.

0, 1, 7, 7, 11, 7, 11, 1, 1, 11, 11, 1, 1, 11, 7, 11, 7, 7, 1, 0, 1, 7, 7, 11, 7, 11, 1, 1, 11, 11, 1, 1, 11, 7, 11, 7, 7, 1, 0, 1, 7, 7, 11, 7, 11, 1, 1, 11, 11, 1, 1, 11, 7, 11, 7, 7, 1, 0, 1, 7, 7, 11, 7, 11, 1, 1, 11, 11, 1, 1, 11, 7, 11, 7, 7, 1, 0, 1, 7, 7, 11, 7, 11, 1, 1, 11, 11, 1, 1, 11

Offset

0,3

Links

Table of n, a(n) for n=0..89.

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, 1).

Formula

a(n) = a(n-19). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 100], 6, 19] (* Wesley Ivan Hurt, Dec 26 2023 *)

Prog

(Sage) [power_mod(n, 6, 19)for n in range(0, 90)] # Zerinvary Lajos, Nov 06 2009
(PARI) a(n)=n^6%19 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A103569 A306530 A094460 * A064496 A084513 A084523

Adjacent sequences: A070639 A070640 A070641 * A070643 A070644 A070645

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved