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%I #11 Feb 02 2020 21:42:37
%S 3,6,9,18,28,54,108
%N Maximal numbers of codewords in mixed code with n binary coordinates and 3 ternary coordinates with Hamming distance 3.
%H Patric R. J. Östergård, <a href="https://users.aalto.fi/~pat/23.html">Classification of small binary/ternary one-error-correcting codes (Appendix)</a>, Discrete Mathematics 223 (2000), 253-262.
%Y Cf. A057574-A057584, A050142.
%K nonn,more
%O 0,1
%A _N. J. A. Sloane_, Oct 04 2000
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