%I #9 Sep 07 2012 15:29:21
%S 2,3,11,17,29,31,37,41,67,83,97,101,103,107,131,149,157,163,167,173,
%T 181,197,199,223,227,229,233,239,263,281,293,313,331,347,359,367,379,
%U 397,421,431,433,461,463,479,487
%N Primes p such that 33 is a square mod p.
%H Vincenzo Librandi, <a href="/A038907/b038907.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[100]], JacobiSymbol[33, #] != -1 &] (* _Vincenzo Librandi_, Sep 07 2012 *)
%K nonn
%O 1,1
%A _N. J. A. Sloane_.