A070413 a(n) = 7^n mod 29.

1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25, 1, 7, 20, 24, 23, 16, 25

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 (0,0,0,0,0,0,1).

Formula

From R. J. Mathar, Apr 20 2010: (Start)

a(n) = a(n-7).

G.f.: ( -1-7*x-20*x^2-24*x^3-23*x^4-16*x^5-25*x^6 ) / ( (x-1)*(1+x+x^2+x^3+x^4+x^5+x^6) ). (End)

Mathematica

PowerMod[7, Range[0, 50], 29] (* G. C. Greubel, Mar 20 2016 *)

Prog

(Sage) [power_mod(7, n, 29) for n in range(0, 77)] # Zerinvary Lajos, Nov 27 2009
(PARI) a(n) = lift(Mod(7, 29)^n); \\ Altug Alkan, Mar 20 2016
(Magma) [Modexp(7, n, 29): n in [0..100]]; // Bruno Berselli, Mar 22 2016

Crossrefs

Sequence in context: A209553 A037005 A022419 * A015243 A055069 A134863

Adjacent sequences: A070410 A070411 A070412 * A070414 A070415 A070416

Keyword

nonn,easy

Author

N. J. A. Sloane, May 12 2002

Status

approved