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A070607
a(n) = n^5 mod 23.
1
0, 1, 9, 13, 12, 20, 2, 17, 16, 8, 19, 5, 18, 4, 15, 7, 6, 21, 3, 11, 10, 14, 22, 0, 1, 9, 13, 12, 20, 2, 17, 16, 8, 19, 5, 18, 4, 15, 7, 6, 21, 3, 11, 10, 14, 22, 0, 1, 9, 13, 12, 20, 2, 17, 16, 8, 19, 5, 18, 4, 15, 7, 6, 21, 3, 11, 10, 14, 22, 0, 1, 9, 13, 12, 20, 2, 17, 16, 8, 19, 5
OFFSET
0,3
COMMENTS
Sequence has period 23. - Charles R Greathouse IV, Sep 03 2015
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1).
MATHEMATICA
PowerMod[Range[0, 80], 5, 23] (* Vincenzo Librandi, May 28 2016 *)
PROG
(Sage) [power_mod(n, 5, 23)for n in range(0, 81)] # Zerinvary Lajos, Nov 04 2009
(PARI) a(n)=(n^5)%23; \\ Anders Hellström, Sep 03 2015
(Magma) [Modexp(n, 5, 23): n in [0..80]]; // Vincenzo Librandi, May 28 2016 - Jun 15 2016
CROSSREFS
Sequence in context: A281224 A050236 A193995 * A340490 A335662 A191891
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 13 2002
STATUS
approved