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 A010391 #20 Jan 12 2024 06:32:28 %S A010391 0,1,4,5,6,7,9,13,16,20,22,23,24,25,28 %N A010391 Squares mod 29. %C A010391 A070451 sorted, duplicates removed. - _R. J. Mathar_, Jan 12 2024 %t A010391 Union[PowerMod[Range[29], 2, 29]] (* _Alonso del Arte_, Nov 29 2019 *) %o A010391 (Sage) [quadratic_residues(29)] # _Zerinvary Lajos_, May 24 2009 %o A010391 (Scala) (1 to 29).map(n => n * n).map(_ % 29).toSet.toSeq.sorted // _Alonso del Arte_, Nov 29 2019 %Y A010391 Cf. A010419, A028742. %K A010391 nonn,fini,full %O A010391 1,3 %A A010391 _N. J. A. Sloane_