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 A034252 #10 Jul 08 2025 20:13:51 %S A034252 0,1,1934022164,84132279974374399,1031480539243199520034660, %T A034252 8310809015721735456185639217040, %U A034252 54158497721151149425654087606674852696,304390060432492084012377982122567201961380857,1515225779420036030072761808322973017812564229108068 %N A034252 Number of quaternary codes (not necessarily linear) of length n with 15 words. %H A034252 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A034252 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 A034252 Cf. A034188-. %K A034252 nonn %O A034252 1,3 %A A034252 _N. J. A. Sloane_ %E A034252 More terms from _Sean A. Irvine_, Aug 09 2020