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 A075968 #2 Feb 20 2005 03:00:00 %S A075968 131071,66978047,2082344719,15240409907,54033798485,90887727786, %T A075968 414889199992,1654396181398,6738967974687,26545942883459, %U A075968 106105709811500,186917937746406,847174341792419,3387064916515659 %N A075968 Basis for code in A075967. %D A075968 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 A075968 Bob Jenkins, <a href="http://burtleburtle.net/bob/math/lexicode.html">Tables of Binary Lexicodes</a> %H A075968 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 A075968 a(n) = b(2^n), where b is A075967, the binary lexicode, d=17. %F A075968 b(n) = XOR(a(i)) for all i where the i-th bit is set in n. %Y A075968 See also A075928, A075929, A075930, A075967, A075969, A075971, A075962, A075974. %K A075968 nonn %O A075968 0,1 %A A075968 Bob Jenkins (bob_jenkins(AT)burtleburtle.net)