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A191024 Primes that are squares mod 31. 1

%I

%S 2,5,7,19,41,47,59,67,71,97,101,103,107,109,113,131,149,157,163,173,

%T 191,193,211,227,233,257,281,283,293,307,311,317,349,359,373,379,397,

%U 419,421,431,439,443,467,479,503,521,541,547,563,577,593,599,607,617

%N Primes that are squares mod 31.

%H Vincenzo Librandi, <a href="/A191024/b191024.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[150]],JacobiSymbol[#,31]==1&]

%o (MAGMA) [p: p in PrimesUpTo(617) | JacobiSymbol(p, 31) eq 1]; // _Vincenzo Librandi_, Sep 10 2012

%K nonn,easy

%O 1,1

%A _T. D. Noe_, May 24 2011

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Last modified June 18 15:13 EDT 2019. Contains 324213 sequences. (Running on oeis4.)