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 A010435 #16 Jan 12 2024 06:23:34 %S A010435 0,1,3,4,7,9,10,11,12,16,21,25,26,27,28,30,33,34,36,37,38,40,41,44,46, %T A010435 47,48,49,53,58,62,63,64,65,67,70,71,73 %N A010435 Squares mod 74. %o A010435 (Sage) [quadratic_residues(74)] # _Zerinvary Lajos_, May 28 2009 %Y A010435 Cf. A010398, A028787. %K A010435 nonn,fini,full %O A010435 1,3 %A A010435 _N. J. A. Sloane_