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 A034250 #10 Jul 08 2025 20:13:38 %S A034250 0,4,160421289,301341514055753,212759983293659858532, %T A034250 105067580130605231781256012,42603172007898715981922337319015, %U A034250 14954884176034777008243661081645101440,4653866336699333619983205123375833231719464,1302561543355459585313305069725405805940542534756 %N A034250 Number of quaternary codes (not necessarily linear) of length n with 13 words. %H A034250 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034250 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 A034250 Cf. A034188-. %K A034250 nonn %O A034250 1,2 %A A034250 _N. J. A. Sloane_ %E A034250 More terms from _Sean A. Irvine_, Aug 09 2020