A070662 a(n) = n^6 mod 39.

0, 1, 25, 27, 1, 25, 12, 25, 25, 27, 1, 25, 27, 13, 1, 12, 1, 1, 12, 25, 25, 12, 1, 1, 12, 1, 13, 27, 25, 1, 27, 25, 25, 12, 25, 1, 27, 25, 1, 0, 1, 25, 27, 1, 25, 12, 25, 25, 27, 1, 25, 27, 13, 1, 12, 1, 1, 12, 25, 25, 12, 1, 1, 12, 1, 13, 27, 25, 1, 27, 25, 25, 12, 25, 1, 27, 25

Offset

0,3

Links

Table of n, a(n) for n=0..76.

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

a(n) = a(n-39). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 80], 6, 39] (* Harvey P. Dale, Aug 28 2016 *)
(* Alternative: *)
PadRight[{}, 120, {0, 1, 25, 27, 1, 25, 12, 25, 25, 27, 1, 25, 27, 13, 1, 12, 1, 1, 12, 25, 25, 12, 1, 1, 12, 1, 13, 27, 25, 1, 27, 25, 25, 12, 25, 1, 27, 25, 1}] (* Harvey P. Dale, Aug 28 2016 *)

Prog

(SageMath) [power_mod(n, 6, 39)for n in range(0, 77)] # Zerinvary Lajos, Nov 07 2009
(PARI) a(n)=n^6%39 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A042297 A042298 A157091 * A350181 A183982 A391998

Adjacent sequences: A070659 A070660 A070661 * A070663 A070664 A070665

Keyword

nonn,easy,changed

Author

N. J. A. Sloane, May 13 2002

Status

approved