A070648 a(n) = n^6 mod 25.

0, 1, 14, 4, 21, 0, 6, 24, 19, 16, 0, 11, 9, 9, 11, 0, 16, 19, 24, 6, 0, 21, 4, 14, 1, 0, 1, 14, 4, 21, 0, 6, 24, 19, 16, 0, 11, 9, 9, 11, 0, 16, 19, 24, 6, 0, 21, 4, 14, 1, 0, 1, 14, 4, 21, 0, 6, 24, 19, 16, 0, 11, 9, 9, 11, 0, 16, 19, 24, 6, 0, 21, 4, 14, 1, 0, 1, 14, 4, 21, 0, 6, 24, 19

Offset

0,3

Comments

Periodic, with period 25: 0, 1, 14, 4, 21, 0, 6, 24, 19, 16, 0, 11, 9, 9, 11, 0, 16, 19, 24, 6, 0, 21, 4, 14, 1. - Harvey P. Dale, Oct 14 2014

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

Formula

a(n) = a(n-25). - Wesley Ivan Hurt, Dec 26 2023

Mathematica

PowerMod[Range[0, 100], 6, 25] (* Harvey P. Dale, Oct 14 2014 *)

Prog

(Sage) [power_mod(n, 6, 25) for n in range(0, 84)] # Zerinvary Lajos, Nov 06 2009
(Magma) [n^6 mod 25: n in [0..80]]; // Vincenzo Librandi, Oct 15 2014
(PARI) a(n)=n^6%25 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A358890 A164811 A018813 * A040188 A322776 A040186

Adjacent sequences: A070645 A070646 A070647 * A070649 A070650 A070651

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved