This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A038913 #18 Jul 08 2025 22:29:21 %S A038913 3,7,11,37,41,47,53,67,71,73,83,101,107,127,137,139,149,151,157,173, %T A038913 181,197,211,223,229,233,263,269,271,293,307,317,337,349,359,367,373, %U A038913 379,397,419,433,443,491,509,521 %N A038913 Primes p such that 37 is a square mod p. %C A038913 Also, primes p that are squares mod 37 (from the quadratic reciprocity law). - _Lekraj Beedassy_, Jul 13 2004 %H A038913 Vincenzo Librandi, <a href="/A038913/b038913.txt">Table of n, a(n) for n = 1..1000</a> %t A038913 Select[Prime[Range[100]], JacobiSymbol[37, #] != -1 &] (* _Vincenzo Librandi_, Sep 07 2012 *) %Y A038913 A191027 is the same sequence if 37 is excluded. %K A038913 nonn %O A038913 1,1 %A A038913 _N. J. A. Sloane_