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 A092918 #10 Dec 17 2022 12:48:46 %S A092918 2,4,96,31840,2147156736,9223372011084915712, %T A092918 170141183460469231602560095199828453376, %U A092918 57896044618658097711785492504343953923912733397452774312021795134847892828160 %N A092918 Number of connected hypergraphs (without multiple edges and without empty edges) on n labeled vertices. %H A092918 Goran Kilibarda and Vladeta Jovovic, <a href="https://arxiv.org/abs/1411.4187">Enumeration of some classes of T_0-hypergraphs</a>, arXiv:1411.4187 [math.CO], 2014. %F A092918 E.g.f.: log(Sum(2^(2^n-1)*x^n/n!, n=0..infinity)). %K A092918 nonn %O A092918 1,1 %A A092918 Goran Kilibarda and _Vladeta Jovovic_, Apr 16 2004