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Primes p such that 83 is a square mod p.
1

%I #9 Sep 08 2012 06:19:29

%S 17,19,29,37,41,43,47,61,67,71,79,83,103,107,109,113,139,163,173,179,

%T 193,197,211,223,229,239,241,251,263,271,277,283,293,307,311,313,317,

%U 331,347,349,353,367,373,379,397

%N Primes p such that 83 is a square mod p.

%C Also, only entries p=1 (mod 4) of the sequence are squares mod 83 (from the quadratic reciprocity law). - _Lekraj Beedassy_, Jul 21 2004

%H Vincenzo Librandi, <a href="/A038969/b038969.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[110]], ! JacobiSymbol[83, #] == -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