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 A051051 #9 Feb 16 2025 08:32:41 %S A051051 1,12,143,648000,12964479,1721036800000,2077805148460987, %T A051051 5041895218133760000000,14154229032767142723739127, %U A051051 51951524164830314976613655528865792 %N A051051 Denominators of the probability that the convex hull of n+2 randomly chosen points in the unit ball B^n has n+1 vertices (with factor of Pi^n dropped for n even). %H A051051 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SylvestersFour-PointProblem.html">Sylvester's Four-Point Problem.</a> %Y A051051 Cf. A051050. %K A051051 nonn,frac %O A051051 0,2 %A A051051 _Eric W. Weisstein_