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%I #9 Sep 08 2012 05:16:08
%S 3,7,11,17,29,31,37,43,67,73,79,89,139,149,157,173,179,181,191,193,
%T 239,241,251,257,269,271,277,293,311,317,331,347,349,367,379,383,389,
%U 397,421,443,449,457,461,463,487
%N Primes p such that 67 is a square mod p.
%C Also, only entries p=1 (mod 4) of the sequence are squares mod 67 (from the quadratic reciprocity law). - _Lekraj Beedassy_, Jul 21 2004
%H Vincenzo Librandi, <a href="/A038949/b038949.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[100]], ! JacobiSymbol[67, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)
%K nonn
%O 1,1
%A _N. J. A. Sloane_.
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