%I A010334
%S A010334 1,1,1,2,2,2,2,4,4,6,8,12,18
%N A010334 Maximal size of binary code of length n and asymmetric distance 4.
%D A010334 T. Etzion, New lower bounds for asymmetric and unidirectional codes, 
               IEEE Trans. Inform. Theory, 37 (1991), 1696-1705.
%D A010334 J. H. Weber, Bounds and Constructions for Binary Block Codes Correcting 
               Asymmetric or Unidirectional Errors, Ph. D. Thesis, Tech. Univ. Delft, 
               1989.
%D A010334 J. H. Weber, C. de Vroedt and D. E. Boekee, Bounds and constructions 
               for binary codes of length less than 24 and asymmetric distance less 
               than 6, IEEE Trans. Inform. Theory, 34 (1988), 1321-1332.
%Y A010334 Sequence in context: A032576 A071809 A104976 this_sequence A010578 A005866 
               A125584
%Y A010334 Adjacent sequences: A010331 A010332 A010333 this_sequence A010335 A010336 
               A010337
%K A010334 nonn
%O A010334 1,4
%A A010334 N. J. A. Sloane (njas(AT)research.att.com).
%E A010334 There is a typo at the n=6 term in the printed version of the paper.