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 A286788 #12 May 17 2017 22:53:18 %S A286788 1,46,1350,34362,842751,20862684,533394516,14251251012,400275122533, %T A286788 11849888387786,370032953752618,12183464636804638,422529226131247475, %U A286788 15413172354966378040,590459747844232859976,23715530712277152761928,997006212536288359365609,43800374567467950834916070 %N A286788 Column 3 of A286781. %H A286788 Gheorghe Coserea, <a href="/A286788/b286788.txt">Table of n, a(n) for n = 3..212</a> %Y A286788 Cf. A286781, A286786, A286787. %K A286788 nonn %O A286788 3,2 %A A286788 _Gheorghe Coserea_, May 16 2017