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 A038910 #9 Jul 08 2025 22:29:00 %S A038910 7,13,19,23,31,41,43,53,59,67,71,73,79,83,97,101,113,149,157,167,179, %T A038910 193,199,229,233,241,251,293,307,311,313,331,337,349,367,373,389,401, %U A038910 421,431,439,443,449,461,467,479 %N A038910 Primes p such that 34 is not a square mod p. %H A038910 Vincenzo Librandi, <a href="/A038910/b038910.txt">Table of n, a(n) for n = 1..1000</a> %t A038910 Select[Prime@Range[120], JacobiSymbol[34, #] == -1 &] (* _Vincenzo Librandi_, Sep 09 2012 *) %K A038910 nonn %O A038910 1,1 %A A038910 _N. J. A. Sloane_