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 A309861 #9 Aug 21 2019 17:35:48 %S A309861 1,1,1,1,1,1,1,2,9,274668,366299663432194332594005123072, %T A309861 54795242223399970047010492985892892484369451926972560864070488972981863025272273768093745152 %N A309861 Number of 7-uniform hypergraphs on n unlabeled nodes. %H A309861 Alois P. Heinz, <a href="/A309861/b309861.txt">Table of n, a(n) for n = 0..14</a> %H A309861 Wikipedia, <a href="https://en.wikipedia.org/wiki/Hypergraph">Hypergraph</a> %Y A309861 Column k=7 of A309858. %K A309861 nonn %O A309861 0,8 %A A309861 _Alois P. Heinz_, Aug 20 2019