%I #21 Dec 18 2023 14:03:50
%S 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,
%T 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,
%U 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
%N a(n) = 7^n mod 47.
%H G. C. Greubel, <a href="/A070429/b070429.txt">Table of n, a(n) for n = 0..1000</a>
%H <a href="/index/Rec#order_23">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
%F a(n) = a(n-23). - _G. C. Greubel_, Mar 22 2016
%t PowerMod[7,Range[0,80],47] (* _Harvey P. Dale_, Jan 01 2013 *)
%o (Sage) [power_mod(7,n,47)for n in range(0,80)] # _Zerinvary Lajos_, Nov 27 2009
%o (PARI) a(n)=lift(Mod(7,47)^n) \\ _Charles R Greathouse IV_, Mar 22 2016
%o (Magma) [Modexp(7, n, 47): n in [0..100]]; // _Bruno Berselli_, Mar 22 2016
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_, May 12 2002