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 A034327 #20 Jun 14 2023 08:18:07 %S A034327 1,1,1,1,1,1,1,1,2,2,1,1,3,5,3,1,1,4,9,9,4,1,1,5,17,24,17,5,1,1,7,29, %T A034327 60,60,29,7,1,1,8,47,133,192,133,47,8,1,1,10,72,279,556,556,279,72,10, %U A034327 1,1,12,110,556,1514,2108,1514,556,110,12,1 %N A034327 Triangle of numbers of connected regular (k X n)-matrix matroids of dimension k. %D A034327 Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at). %H A034327 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034327 H. Fripertinger, <a href="https://imsc.uni-graz.at/fripertinger/html/matroids/matroide_neu_2.html">Regular matroids</a> %H A034327 <a href="/index/Coa#codes_binary_linear">Index entries for sequences related to binary linear codes</a> %H A034327 <a href="/index/Mat#matroid">Index entries for sequences related to matroids</a> %e A034327 The triangle begins: %e A034327 1; %e A034327 1; %e A034327 1, 1; %e A034327 1, 1, 1; %e A034327 1, 2, 2, 1; %e A034327 ... %Y A034327 Cf. A034328. %Y A034327 Columns: A034329, A034330, A034331, A034332. %K A034327 nonn,tabf %O A034327 0,9 %A A034327 _N. J. A. Sloane_