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 A075944 #1 May 16 2003 03:00:00 %S A075944 511,15887,116275,412245,693418,3165290,12603032,21139155,38803550, %T A075944 201349286,336626733,609260174,3221261509,5374090380,25769843817, %U A075944 43016936625,78384372260,412317013686,687266122367,1238028666383 %N A075944 Basis for code in A075943. %D A075944 J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986. %H A075944 Bob Jenkins, <a href="http://burtleburtle.net/bob/math/lexicode.html">Tables of Binary Lexicodes</a> %H A075944 Ari Trachtenberg, <a href="http://ipsit.bu.edu/phdthesis_html/phdthesis_html.html">Error-Correcting Codes on Graphs: Lexicodes, Trellises and Factor Graphs</a> %F A075944 a(n) = b(2^n), where b is A075943, the binary lexicode, d=9. %F A075944 b(n) = XOR(a(i)) for all i where the i-th bit is set in n. %Y A075944 Cf. A075928, A075929, A075930, A075943, A075945, A075947, A075938, A075950. %K A075944 nonn %O A075944 0,1 %A A075944 Bob Jenkins (bob_jenkins(AT)burtleburtle.net)