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A070429
a(n) = 7^n mod 47.
2
1, 7, 2, 14, 4, 28, 8, 9, 16, 18, 32, 36, 17, 25, 34, 3, 21, 6, 42, 12, 37, 24, 27, 1, 7, 2, 14, 4, 28, 8, 9, 16, 18, 32, 36, 17, 25, 34, 3, 21, 6, 42, 12, 37, 24, 27, 1, 7, 2, 14, 4, 28, 8, 9, 16, 18, 32, 36, 17, 25, 34, 3, 21, 6, 42, 12, 37, 24, 27, 1, 7, 2, 14, 4, 28, 8, 9, 16, 18, 32
OFFSET
0,2
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).
FORMULA
a(n) = a(n-23). - G. C. Greubel, Mar 22 2016
MATHEMATICA
PowerMod[7, Range[0, 80], 47] (* Harvey P. Dale, Jan 01 2013 *)
PROG
(Sage) [power_mod(7, n, 47)for n in range(0, 80)] # Zerinvary Lajos, Nov 27 2009
(PARI) a(n)=lift(Mod(7, 47)^n) \\ Charles R Greathouse IV, Mar 22 2016
(Magma) [Modexp(7, n, 47): n in [0..100]]; // Bruno Berselli, Mar 22 2016
CROSSREFS
Sequence in context: A104586 A323995 A040048 * A050092 A293452 A030406
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, May 12 2002
STATUS
approved