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 A034201 #12 Jul 08 2025 20:07:40 %S A034201 0,0,3,50,472,3253,18435,91028,404154,1646000,6232542,22151853, %T A034201 74433912,237790084,725557353,2122652633,5973816190,16219720273, %U A034201 42595011951,108438121237,268160583493,645345542877,1513887056435 %N A034201 Number of binary codes (not necessarily linear) of length n with 6 words. %H A034201 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034201 H. Fripertinger, <a href="https://doi.org/10.1023/A:1008248618779">Enumeration, construction and random generation of block codes</a>, Designs, Codes, Crypt., 14 (1998), 213-219. %Y A034201 Cf. A034188-. %K A034201 nonn %O A034201 1,3 %A A034201 _N. J. A. Sloane_ %E A034201 a(15)-a(23) from _Sean A. Irvine_, Aug 07 2020