|
|
A075938
|
|
Basis for code in A075937.
|
|
5
|
|
|
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)
|
|
|
OFFSET
|
0,1
|
|
REFERENCES
|
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.
|
|
LINKS
|
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
|
|
FORMULA
|
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.
|
|
CROSSREFS
|
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
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Bob Jenkins (bob_jenkins(AT)burtleburtle.net)
|
|
STATUS
|
approved
|
|
|
|