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 A038885 #9 Jul 08 2025 22:26:11 %S A038885 2,5,7,11,13,31,43,47,61,67,101,103,107,113,137,157,163,167,173,179, %T A038885 181,193,199,211,223,229,233,269,271,281,293,311,331,337,347,349,367, %U A038885 379,383,397,401,439,443,449,457 %N A038885 14 is a square mod p. %H A038885 Vincenzo Librandi, <a href="/A038885/b038885.txt">Table of n, a(n) for n = 1..1000</a> %t A038885 Select[Prime[Range[100]], JacobiSymbol[14, #] != -1 &] (* _Vincenzo Librandi_, Sep 07 2012 *) %K A038885 nonn %O A038885 1,1 %A A038885 _N. J. A. Sloane_