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 A063803 #14 Feb 22 2023 12:00:33 %S A063803 1,5,50,508321 %N A063803 Number of nonisomorphic oriented matroids with n points in 5 dimensions. %D A063803 Fukuda, Komei; Miyata, Hiroyuki; Moriyama, Sonoko. Complete Enumeration of Small Realizable Oriented Matroids. Discrete Comput. Geom. 49 (2013), no. 2, 359--381. MR3017917. - From _N. J. A. Sloane_, Feb 16 2013 %H A063803 Lukas Finschi, <a href="https://finschi.com/math/om/">Homepage of Oriented Matroids</a> %H A063803 L. Finschi and K. Fukuda, <a href="http://www.cccg.ca/proceedings/2001/finschi-1053.ps.gz">Complete combinatorial generation of small point set configurations and hyperplane arrangements</a>, pp. 97-100 in Abstracts 13th Canadian Conference on Computational Geometry (CCCG '01), Waterloo, Aug. 13-15, 2001. %Y A063803 A diagonal of A063804. %K A063803 nonn,more %O A063803 6,2 %A A063803 _N. J. A. Sloane_, Aug 20 2001