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 A034331 #9 Jul 08 2025 20:14:38 %S A034331 0,0,0,0,0,1,4,17,60,192,556,1514 %N A034331 Number of matroids: column 5 of A034327. %D A034331 Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at). %H A034331 <a href="/index/Mat#matroid">Index entries for sequences related to matroids</a> %H A034331 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %Y A034331 Cf. A034327-. %K A034331 nonn %O A034331 0,7 %A A034331 _N. J. A. Sloane_