A070573 a(n) = n^4 mod 30.

0, 1, 16, 21, 16, 25, 6, 1, 16, 21, 10, 1, 6, 1, 16, 15, 16, 1, 6, 1, 10, 21, 16, 1, 6, 25, 16, 21, 16, 1, 0, 1, 16, 21, 16, 25, 6, 1, 16, 21, 10, 1, 6, 1, 16, 15, 16, 1, 6, 1, 10, 21, 16, 1, 6, 25, 16, 21, 16, 1, 0, 1, 16, 21, 16, 25, 6, 1, 16, 21, 10, 1, 6, 1, 16, 15, 16, 1, 6, 1, 10

Offset

0,3

Links

Table of n, a(n) for n=0..80.

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, 1).

Mathematica

PowerMod[Range[0, 80], 4, 30] (* Harvey P. Dale, Jul 14 2019 *)

Prog

(Sage) [power_mod(n, 4, 30)for n in range(0, 81)] # - Zerinvary Lajos, Oct 31 2009
(PARI) a(n)=n^4%30 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A045658 A167305 A094329 * A186462 A205098 A290142

Adjacent sequences: A070570 A070571 A070572 * A070574 A070575 A070576

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved