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%I #7 Sep 08 2022 08:44:53
%S 2,5,13,37,41,43,47,59,61,71,73,79,101,107,113,127,131,139,149,151,
%T 173,181,191,199,223,227,229,233,241,257,271,277,281,293,311,313,317,
%U 331,337,359,367,409,419,431,433
%N Primes p such that 93 is not a square mod p.
%H Vincenzo Librandi, <a href="/A038982/b038982.txt">Table of n, a(n) for n = 1..1000</a>
%t Select[Prime[Range[120]], JacobiSymbol[93, #]==-1 &] (* _Vincenzo Librandi_, Sep 10 2012 *)
%o (Magma) [2] cat [ p: p in PrimesUpTo(433) | not IsSquare(R! 93) where R:= ResidueClassRing(p) ]; // _Vincenzo Librandi_, Sep 10 2012
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_.
%E Offset changed from 0 to 1 by _Vincenzo Librandi_, Sep 10 2012
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