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A057575 Maximal numbers of codewords in mixed code with n binary coordinates and 2 ternary coordinates with Hamming distance 3. 1
1, 2, 4, 6, 12, 22, 38, 72, 144, 288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..9.

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: A102588 A005303 A292320 * A196700 A283834 A341582

Adjacent sequences:  A057572 A057573 A057574 * A057576 A057577 A057578

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 04 2000

STATUS

approved

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Last modified May 17 17:52 EDT 2022. Contains 353778 sequences. (Running on oeis4.)