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%I #8 Sep 08 2012 02:31:44
%S 3,5,7,13,17,29,31,41,47,59,79,83,113,139,157,163,173,179,191,197,199,
%T 211,229,233,239,251,263,269,283,317,349,359,367,373,379,383,401,409,
%U 421,433,439,443,449,457,467,487
%N Primes p such that 51 is a square mod p.
%H Vincenzo Librandi, <a href="/A038929/b038929.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[100]], ! JacobiSymbol[51, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)
%K nonn
%O 1,1
%A _N. J. A. Sloane_.