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A070469
a(n) = n^2 mod 47.
2
0, 1, 4, 9, 16, 25, 36, 2, 17, 34, 6, 27, 3, 28, 8, 37, 21, 7, 42, 32, 24, 18, 14, 12, 12, 14, 18, 24, 32, 42, 7, 21, 37, 8, 28, 3, 27, 6, 34, 17, 2, 36, 25, 16, 9, 4, 1, 0, 1, 4, 9, 16, 25, 36, 2, 17, 34, 6, 27, 3, 28, 8, 37, 21, 7, 42, 32, 24, 18, 14, 12, 12, 14, 18, 24, 32, 42, 7
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = a(n-47). - G. C. Greubel, Mar 26 2016
MATHEMATICA
PowerMod[Range[0, 100], 2, 47] (* Harvey P. Dale, Dec 09 2013 *)
PROG
(Magma) [Modexp(n, 2, 47 ): n in [0..100]]; // Vincenzo Librandi, Mar 27 2016
(PARI) a(n)=n^2%47 \\ Charles R Greathouse IV, Apr 06 2016
CROSSREFS
Sequence in context: A004120 A052118 A070470 * A070468 A070467 A070466
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 12 2002
STATUS
approved