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 A038896 #8 Jul 08 2025 22:27:31 %S A038896 5,17,19,23,31,37,41,43,47,53,71,73,83,103,107,131,139,157,181,191, %T A038896 193,199,211,223,227,229,233,241,269,281,283,307,311,317,337,347,367, %U A038896 383,389,397,409,421,457,463,487 %N A038896 Primes p such that 22 is not a square mod p. %H A038896 Vincenzo Librandi, <a href="/A038896/b038896.txt">Table of n, a(n) for n = 1..1000</a> %t A038896 Select[Prime@Range[2120], JacobiSymbol[22, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *) %K A038896 nonn %O A038896 1,1 %A A038896 _N. J. A. Sloane_ %E A038896 Offset changed from 0 to 1 by _Vincenzo Librandi_, Sep 08 2012