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 A076833 #6 Mar 30 2012 16:49:31 %S A076833 1,0,1,0,1,1,0,0,2,1,0,0,1,3,1,0,0,1,4,4,1,0,0,1,5,8,5,1,0,0,0,6,15, %T A076833 14,6,1,0,0,0,5,29,38,22,7,1,0,0,0,4,46,105,80,32,8,1,0,0,0,3,64,273, %U A076833 312,151,44,9,1,0,0,0,2,89,700,1285,821,266,59,10,1,0,0,0,1,112 %N A076833 Triangle T(n,k) read by rows giving number of inequivalent projective binary linear [n,k] codes (n >= 1, 1 <= k <= n). %C A076833 A code is projective if all columns are distinct and nonzero. %D A076833 D. Slepian, Some further theory of group codes. Bell System Tech. J. 39 1960 1219-1252. %D A076833 H. Fripertinger and A. Kerber, in AAECC-11, Lect. Notes Comp. Sci. 948 (1995), 194-204. %H A076833 H. Fripertinger, <a href="http://www.mathe2.uni-bayreuth.de/frib/codes/tables.html">Isometry Classes of Codes</a> %H A076833 <a href="/index/Coa#codes_binary_linear">Index entries for sequences related to binary linear codes</a> %e A076833 1; 0,1; 0,1,1; 0,0,2,1; 0,0,1,3,1; 0,0,1,4,4,1; 0,0,1,5,8,5,1; ... %Y A076833 Cf. A076834 (row sums). Partial sums across rows gives triangle A091008. %K A076833 nonn,tabl %O A076833 1,9 %A A076833 _N. J. A. Sloane_, Nov 21 2002