%I #7 Sep 08 2012 07:39:20
%S 3,7,11,17,19,23,29,31,53,67,83,89,97,103,109,137,157,163,167,179,193,
%T 197,211,239,251,263,269,283,307,347,349,353,373,379,383,389,397,401,
%U 421,439,449,461,491,509,541,547
%N Primes p such that 93 is a square mod p.
%H Vincenzo Librandi, <a href="/A038981/b038981.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[120]], ! JacobiSymbol[93, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)
%K nonn
%O 1,1
%A _N. J. A. Sloane_.