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 A285190 #3 Apr 25 2017 15:03:30 %S A285190 1,2,3,4,10,17,20,44,52,54,78,100,102,113,135,139,140,162,180,195,259, %T A285190 270,288,334,336 %N A285190 Records in A283832. %Y A285190 Cf. A280864, A283832, A285191. %K A285190 nonn,more %O A285190 1,2 %A A285190 _N. J. A. Sloane_, Apr 25 2017