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A075938
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Basis for code in A075937.
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5
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127, 1927, 6553, 10922, 19252, 98731, 164529, 295709, 559292, 1083662, 2132519, 4230034, 125829127, 427819033, 713031722, 1258291252, 6467616811, 10779361329, 19377684509, 36649828412, 71017955342
(list;
graph;
refs;
listen;
history;
text;
internal format)
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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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Table of n, a(n) for n=0..20.
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 A075937, the binary lexicode, d=7.
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, A075937, A075939, A075941, A075932, A075944.
Sequence in context: A172408 A204216 A075937 * A258003 A258013 A258005
Adjacent sequences: A075935 A075936 A075937 * A075939 A075940 A075941
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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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STATUS
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approved
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