%I #9 Sep 08 2012 02:31:39

%S 7,11,13,17,29,37,43,47,53,59,89,97,107,113,131,149,163,197,199,211,

%T 223,227,229,241,269,271,281,293,307,311,317,331,347,367,409,431,433,

%U 439,449,461,467,487,521,523,541

%N Primes p such that 53 is a square mod p.

%C Also, primes p which are squares mod 53 (from the quadratic reciprocity law). - _Lekraj Beedassy_, Jul 13 2004

%H Vincenzo Librandi, <a href="/A038931/b038931.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[100]], ! JacobiSymbol[53, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.

%E Offset changed from 0 to 1 by _Vincenzo Librandi_, Sep 08 2012