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 A030069 #3 Mar 30 2012 16:47:19 %S A030069 1,1,1,1,3,3,7,15,30,30,46,78,130,210,330,506,759,759,759,759,765,781, %T A030069 825,913,1068,1068,1169,1336,1570,1838,2157,2510,2909,3346,3825,4374, %U A030069 4986,5661,6420,7253,8155 %N A030069 Size of lexicographic code of length n, Hamming distance 8 and weight 8. %D A030069 J. H. Conway and N. J. A. Sloane, Lexicographic Codes..., IEEE Trans. Information Theory, 32 (1986), 337-348. %K A030069 nonn %O A030069 8,5 %A A030069 _N. J. A. Sloane_, Eric Rains