A070429 a(n) = 7^n mod 47.

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

G. C. Greubel, Table of n, a(n) for n = 0..1000

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

Adjacent sequences: A070426 A070427 A070428 * A070430 A070431 A070432

Keyword

nonn,easy

Author

N. J. A. Sloane, May 12 2002

Status

approved