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A070692
a(n) = n^7 mod 9.
0
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
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
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 13 2002
STATUS
approved