%I #8 Mar 22 2016 00:59:51
%S 1,5,25,125,124,119,94,136,12,60,133,164,152,92,126,129,144,52,93,131,
%T 154,102,9,45,58,123,114,69,11,55,108,39,28,140,32,160,132,159,127,
%U 134,2,10,50,83,81,71,21,105
%N 5^n mod 167.
%D I. M. Vinogradov, Elements of Number Theory, pp. 220 ff.
%p [ seq(primroot(ithprime(i))^j mod ithprime(i),j=0..100) ];
%t PowerMod[5,Range[0,50],167] (* _Harvey P. Dale_, Dec 14 2015 *)
%o (PARI) a(n)=lift(Mod(5,167)^n) \\ _Charles R Greathouse IV_, Mar 22 2016
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
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