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 A034351 #7 Jul 08 2025 20:16:43 %S A034351 0,0,0,0,1,3,10,28,71,165,361,754,1503,2893,5393,9773,17273,29860, %T A034351 50557,84024,137228,220542,349128,544980,839453 %N A034351 Number of indecomposable binary [ n,4 ] codes without 0 columns. %D A034351 H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204. %H A034351 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %Y A034351 Cf. A034253, A034254, A034344-. %K A034351 nonn %O A034351 1,6 %A A034351 _N. J. A. Sloane_