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 A286793 #12 May 17 2017 22:53:58 %S A286793 1,366,55650,5493004,423998498,28236562692,1719625254528, %T A286793 99364697625603,5581585635090040,309848573192308938, %U A286793 17191725056094651066,960908576231662848594,54403314773991195041214,3132006013784614723699158,183841318769012678798846646,11022935912713058281592718756 %N A286793 Column 8 of A286781. %H A286793 Gheorghe Coserea, <a href="/A286793/b286793.txt">Table of n, a(n) for n = 8..217</a> %Y A286793 Cf. A286781, A286786, A286787. %K A286793 nonn %O A286793 8,2 %A A286793 _Gheorghe Coserea_, May 16 2017