A031502 Size of lexicographic code of length n, Hamming distance 10 and weight 10.

1, 1, 1, 1, 1, 3, 3, 3, 6, 7, 15, 23, 33, 47, 61, 82, 106, 140, 179, 226, 287, 357, 443, 548, 672, 811, 979, 1173, 1402, 1670, 1971, 2319, 2722, 3179, 3698

Offset

10,6

Links

Table of n, a(n) for n=10..44.

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.

Crossrefs

Sequence in context: A219173 A058675 A025497 * A153004 A214361 A124449

Adjacent sequences: A031499 A031500 A031501 * A031503 A031504 A031505

Keyword

nonn,more

Author

Eric Rains (rains(AT)caltech.edu)

Status

approved