%I #7 Sep 08 2012 05:16:05
%S 2,3,5,11,13,17,19,31,41,43,53,59,61,97,103,109,139,167,179,199,211,
%T 223,233,239,251,263,269,277,281,283,307,313,317,349,359,367,373,389,
%U 419,431,433,443,463,467,479,487
%N Primes p such that 66 is a square mod p.
%H Vincenzo Librandi, <a href="/A038947/b038947.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[100]], ! JacobiSymbol[66, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)
%K nonn
%O 1,1
%A _N. J. A. Sloane_.