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 A010439 #19 Jan 12 2024 06:24:24 %S A010439 0,1,3,4,9,10,12,13,16,22,25,27,30,36,39,40,42,43,48,49,51,52,55,61, %T A010439 64,66,69,75 %N A010439 Squares mod 78. %t A010439 Union[PowerMod[Range[78], 2, 78]] (* _Alonso del Arte_, Dec 26 2019 *) %o A010439 (Sage) [quadratic_residues(78)] # _Zerinvary Lajos_, May 28 2009 %o A010439 (Scala) (1 to 78).map(n => (n * n) % 78).toSet.toSeq.sorted // _Alonso del Arte_, Dec 26 2019 %Y A010439 Cf. A010400, A028791. %K A010439 nonn,fini,full,easy %O A010439 1,3 %A A010439 _N. J. A. Sloane_