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Primes p such that 34 is not a square mod p.
2

%I #7 Sep 09 2012 03:26:40

%S 7,13,19,23,31,41,43,53,59,67,71,73,79,83,97,101,113,149,157,167,179,

%T 193,199,229,233,241,251,293,307,311,313,331,337,349,367,373,389,401,

%U 421,431,439,443,449,461,467,479

%N Primes p such that 34 is not a square mod p.

%H Vincenzo Librandi, <a href="/A038910/b038910.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime@Range[120], JacobiSymbol[34, #] == -1 &] (* _Vincenzo Librandi_, Sep 09 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.