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A057580 Maximal numbers of codewords in mixed code with 2 binary coordinates and n ternary coordinates with Hamming distance 3. 2
1, 2, 4, 9, 22 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Is this sequence equal to A105633? - Paul D. Hanna, Apr 17 2005
LINKS
Patric R. J. Östergård, Classification of small binary/ternary one-error-correcting codes (Appendix), Discrete Mathematics 223 (2000), 253-262.
CROSSREFS
Sequence in context: A217976 A156801 A363771 * A129875 A055094 A369472
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 04 2000
STATUS
approved

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Last modified April 15 11:11 EDT 2024. Contains 371681 sequences. (Running on oeis4.)