A057576 Maximal numbers of codewords in mixed code with n binary coordinates and 3 ternary coordinates with Hamming distance 3.
3, 6, 9, 18, 28, 54, 108
Offset: 0
Links
- Patric R. J. Östergård, Classification of small binary/ternary one-error-correcting codes (Appendix), Discrete Mathematics 223 (2000), 253-262.