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 A112083 #6 Aug 07 2017 03:38:48 %S A112083 2,4,12,35,155,239,779,2855,5279,9095,15695,59135,350699,183395, %T A112083 1352339,1477295,1077959,6922920,3038555,12705840,14199120 %N A112083 Column 2 of A112060. %Y A112083 Also row 2 of A112061. Cf. A112084. %K A112083 nonn,more %O A112083 1,1 %A A112083 _Antti Karttunen_, Aug 28 2005