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Search: id:A075944
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| 511, 15887, 116275, 412245, 693418, 3165290, 12603032, 21139155, 38803550, 201349286, 336626733, 609260174, 3221261509, 5374090380, 25769843817, 43016936625, 78384372260, 412317013686, 687266122367, 1238028666383
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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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.
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LINKS
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Bob Jenkins, Tables of Binary Lexicodes
Ari Trachtenberg, Error-Correcting Codes on Graphs: Lexicodes, Trellises and Factor Graphs
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FORMULA
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a(n) = b(2^n), where b is A075943, the binary lexicode, d=9.
b(n) = XOR(a(i)) for all i where the i-th bit is set in n.
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CROSSREFS
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Cf. A075928, A075929, A075930, A075943, A075945, A075947, A075938, A075950.
Sequence in context: A038996 A068025 A075943 this_sequence A022525 A069094 A024007
Adjacent sequences: A075941 A075942 A075943 this_sequence A075945 A075946 A075947
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KEYWORD
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nonn
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AUTHOR
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Bob Jenkins (bob_jenkins(AT)burtleburtle.net)
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