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 A034234 #11 Jul 08 2025 20:11:50 %S A034234 1,1,3,10,55,254,1643,10164,63488,364843,1930906,9262768,40411006, %T A034234 160421289,581839267,1934022164 %N A034234 Number of quaternary codes of length 3 with n words. %H A034234 Sean A. Irvine, <a href="/A034234/b034234.txt">Table of n, a(n) for n = 0..64</a> %H A034234 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034234 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 A034234 Cf. A034188-. %K A034234 nonn,fini,full %O A034234 0,3 %A A034234 _N. J. A. Sloane_