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Primes p such that 66 is a square mod p.
1

%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_.