A057580 Maximal numbers of codewords in mixed code with 2 binary coordinates and n ternary coordinates with Hamming distance 3.

1, 2, 4, 9, 22

Offset

0,2

Comments

Is this sequence equal to A105633? - Paul D. Hanna, Apr 17 2005

Links

Table of n, a(n) for n=0..4.

Patric R. J. Östergård, Classification of small binary/ternary one-error-correcting codes (Appendix), Discrete Mathematics 223 (2000), 253-262.

Crossrefs

Cf. A057574-A057584, A050142.

Sequence in context: A217976 A156801 A363771 * A129875 A055094 A369472

Adjacent sequences: A057577 A057578 A057579 * A057581 A057582 A057583

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 04 2000

Status

approved