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 A010443 #17 May 01 2020 22:57:28 %S A010443 0,1,2,4,5,8,9,10,16,18,20,21,23,25,31,32,33,36,37,39,40,41,42,43,45, %T A010443 46,49,50,51,57,59,61,62,64,66,72,73,74,77,78,80,81 %N A010443 Squares mod 82. %t A010443 Union[PowerMod[Range[82], 2, 82]] (* _Alonso del Arte_, May 01 2020 *) %o A010443 (Sage) [quadratic_residues(82)] # _Zerinvary Lajos_, May 28 2009 %o A010443 (Scala) (1 to 82).map(n => n * n % 82).toSet.toList.sorted // _Alonso del Arte_, May 01 2020 %Y A010443 Cf. A028795, A010402. %K A010443 nonn,fini,full,easy %O A010443 1,3 %A A010443 _N. J. A. Sloane_