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Least primitive root mod 2*prime(n)^2.
1

%I #7 Aug 16 2015 07:11:23

%S 5,3,3,7,7,3,3,5,3,3,5,7,3,5,3,11,7,7,7,5,3,5,3,5,3,5,5,11,3,3,17,3,3,

%T 3,7,5,3,5,3,7,21,19,5,3,3,3,3,5,7,3,7,7,11,3,5,3,15,5,3,3,3,5,17,15,

%U 3,3,15,5,7,3,7,11,5,3,5,3,5,3,21,11,23,7,5,15,5,3,13,3,3,5,13,3,7,7,5,3,3

%N Least primitive root mod 2*prime(n)^2.

%H P. D. T. A. Elliott and L. Murata, <a href="http://dx.doi.org/10.1112/S0025579300014273">The least primitive root mod 2*p^2</a>, Mathematika, 45 (1998), 371-379.

%p with(numtheory): A084538 := n-> primroot(2*ithprime(n)^2);

%K nonn

%O 2,1

%A _N. J. A. Sloane_, Jun 30 2003