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A070570
a(n) = n^4 mod 27.
0
0, 1, 16, 0, 13, 4, 0, 25, 19, 0, 10, 7, 0, 22, 22, 0, 7, 10, 0, 19, 25, 0, 4, 13, 0, 16, 1, 0, 1, 16, 0, 13, 4, 0, 25, 19, 0, 10, 7, 0, 22, 22, 0, 7, 10, 0, 19, 25, 0, 4, 13, 0, 16, 1, 0, 1, 16, 0, 13, 4, 0, 25, 19, 0, 10, 7, 0, 22, 22, 0, 7, 10, 0, 19, 25, 0, 4, 13, 0, 16, 1, 0, 1, 16, 0
OFFSET
0,3
LINKS
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, 1).
MATHEMATICA
PowerMod[Range[0, 90], 4, 27] (* Harvey P. Dale, Apr 23 2015 *)
PROG
(Sage) [power_mod(n, 4, 27)for n in range(0, 84)] # - Zerinvary Lajos, Nov 01 2009
(PARI) a(n)=n^4%27 \\ Charles R Greathouse IV, Apr 06 2016
CROSSREFS
Sequence in context: A007791 A294699 A326852 * A347158 A347160 A005077
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 13 2002
STATUS
approved