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 A286790 #12 May 17 2017 22:53:32 %S A286790 1,127,8085,382358,15653598,598415692,22280470762,828351390146, %T A286790 31225895068199,1204894853397543,47870402081423775, %U A286790 1965205314867907972,83531844407610101388,3679988322044604002256,168093873703636990132596,7960504783782783371445468 %N A286790 Column 5 of A286781. %H A286790 Gheorghe Coserea, <a href="/A286790/b286790.txt">Table of n, a(n) for n = 5..214</a> %Y A286790 Cf. A286781, A286786, A286787. %K A286790 nonn %O A286790 5,2 %A A286790 _Gheorghe Coserea_, May 16 2017