A070692 a(n) = n^7 mod 9.

0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1, 2, 0, 4, 5, 0, 7, 8, 0, 1

Offset

0,3

Links

Table of n, a(n) for n=0..100.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

PowerMod[Range[0, 100], 7, 9] (* or *) PadRight[{}, 101, {0, 1, 2, 0, 4, 5, 0, 7, 8}] (* Harvey P. Dale, May 29 2013 *)

Prog

(Sage) [power_mod(n, 7, 9) for n in range(101)] # Zerinvary Lajos, Nov 07 2009
(PARI) a(n)=n^7%9 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A300307 A286606 A266587 * A162397 A091684 A100050

Adjacent sequences: A070689 A070690 A070691 * A070693 A070694 A070695

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved