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 A034214 #7 Jul 08 2025 20:09:16 %S A034214 1,1,2,4,5,5,4,2,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, %T A034214 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, %U A034214 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 %N A034214 Number of ternary codes of length 2 with n words. %D A034214 H. Fripertinger, Enumeration, construction and random generation of block codes, Designs, Codes, Crypt., 14 (1998), 213-219. %H A034214 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %Y A034214 Cf. A034188-. %K A034214 nonn %O A034214 0,3 %A A034214 _N. J. A. Sloane_