%I #9 Sep 08 2012 02:50:41

%S 3,5,13,19,41,47,61,73,83,97,103,107,109,113,127,131,137,149,163,167,

%T 179,197,199,229,239,241,257,263,269,271,283,293,317,347,353,367,379,

%U 431,439,443,449,461,463,479,487

%N Primes p such that 61 is a square mod p.

%C Also, primes p that are squares mod 61 (from the quadratic reciprocity law). - _Lekraj Beedassy_, Jul 13 2004

%H Vincenzo Librandi, <a href="/A038941/b038941.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[100]], ! JacobiSymbol[61, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.