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 A034239 #11 Jul 08 2025 20:12:22 %S A034239 1,1,8,127,16674,16388502,59893592245,349607878149545, %T A034239 2313452894091782101,15234448027502727073180, %U A034239 95092594038536680078007672,553092980828190394446335839530 %N A034239 Number of quaternary codes of length 8 with n words. %C A034239 a(4^8)=1 is the last term. - _Sean A. Irvine_, Aug 08 2020 %H A034239 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034239 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 A034239 Cf. A034188-. %K A034239 nonn,fini %O A034239 0,3 %A A034239 _N. J. A. Sloane_