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 A038914 #9 Jul 08 2025 22:29:27 %S A038914 2,5,13,17,19,23,29,31,43,59,61,79,89,97,103,109,113,131,163,167,179, %T A038914 191,193,199,227,239,241,251,257,277,281,283,311,313,331,347,353,383, %U A038914 389,401,409,421,431,439,449,457 %N A038914 Primes p such that 37 is not a square mod p. %H A038914 Vincenzo Librandi, <a href="/A038914/b038914.txt">Table of n, a(n) for n = 1..1000</a> %t A038914 Select[Prime@Range[120], JacobiSymbol[37, #] == -1 &] (* _Vincenzo Librandi_, Sep 09 2012 *) %K A038914 nonn %O A038914 1,1 %A A038914 _N. J. A. Sloane_