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%I #8 Jan 18 2022 00:43:09
%S 1,3,9,27,81,116,94,28,84,125,121,109,73,92,22,66,71,86,4,12,36,108,
%T 70,83,122,112,82,119,103,55,38,114,88,10,30,90,16,48,17,51,26,78,107,
%U 67,74,95,31,93,25,75,98,40,120
%N a(n) = 3^n mod 127.
%D I. M. Vinogradov, Elements of Number Theory, pp. 220 ff.
%p [ seq(primroot(ithprime(i))^j mod ithprime(i),j=0..100) ];
%o (PARI) a(n)=lift(Mod(3,127)^n) \\ _Charles R Greathouse IV_, Mar 22 2016
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
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