A070574 a(n) = n^4 mod 31.

0, 1, 16, 19, 8, 5, 25, 14, 4, 20, 18, 9, 28, 10, 7, 2, 2, 7, 10, 28, 9, 18, 20, 4, 14, 25, 5, 8, 19, 16, 1, 0, 1, 16, 19, 8, 5, 25, 14, 4, 20, 18, 9, 28, 10, 7, 2, 2, 7, 10, 28, 9, 18, 20, 4, 14, 25, 5, 8, 19, 16, 1, 0, 1, 16, 19, 8, 5, 25, 14, 4, 20, 18, 9, 28, 10, 7, 2, 2, 7, 10, 28, 9

Offset

0,3

Links

Table of n, a(n) for n=0..82.

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, 1).

Mathematica

PowerMod[Range[0, 90], 4, 31] (* Harvey P. Dale, Mar 01 2015 *)

Prog

(Sage) [power_mod(n, 4, 31)for n in range(0, 83)] # - Zerinvary Lajos, Nov 01 2009
(PARI) a(n)=n^4%31 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A358423 A183401 A300142 * A249612 A260560 A034012

Adjacent sequences: A070571 A070572 A070573 * A070575 A070576 A070577

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved