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 A246991 #6 Feb 22 2023 12:00:33 %S A246991 1,93,5083,505336 %N A246991 Number of abstract order types of configurations of n points in n+4 dimensions. %H A246991 Lukas Finschi, <a href="https://finschi.com/math/om/">Homepage of Oriented Matroids</a> %Y A246991 A diagonal of A063853. %K A246991 nonn,more %O A246991 1,2 %A A246991 _N. J. A. Sloane_, Sep 17 2014