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Search: id:A031504
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A031504 Size of lexicographic code of length n, Hamming distance 6 and weight 6. +0
1
1, 1, 1, 3, 3, 6, 10, 18, 26, 36, 48, 65, 88, 118, 155, 191, 237, 290, 354, 431, 517, 612, 718, 841, 980, 1134, 1303, 1499, 1710, 1945, 2200, 2478, 2788, 3118, 3483, 3882, 4311, 4773, 5277, 5823, 6409, 7027, 7689, 8406, 9162, 9968, 10828, 11761 (list; graph; listen)
OFFSET

6,4

REFERENCES

J. H. Conway and N. J. A. Sloane, Lexicographic Codes: Error-Correcting Codes from Game Theory, IEEE Trans. Information Theory 32 1986 pp. 337-348.

CROSSREFS

Sequence in context: A022086 A097135 A124326 this_sequence A049871 A049924 A049926

Adjacent sequences: A031501 A031502 A031503 this_sequence A031505 A031506 A031507

KEYWORD

nonn

AUTHOR

Eric Rains (rains(AT)caltech.edu)

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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