Search: id:A019436
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%I A019436
%S A019436 1,2,3,6,10,18,31,60,106,196,352
%N A019436 Size of smallest directed 1-covering code of length n with banded structure.
%H A019436 D. Applegate, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/
               abs/math.CO/0205303">On asymmetric coverings and covering numbers</
               a>, J. Comb. Des. 11 (2003), 218-228.
%H A019436 <a href="Sindx_Coa.html#covcod">Index entries for sequences related to 
               covering codes</a>
%Y A019436 Provides upper bound for A066000.
%Y A019436 Sequence in context: A082482 A066000 A011957 this_sequence A147852 A061279 
               A018073
%Y A019436 Adjacent sequences: A019433 A019434 A019435 this_sequence A019437 A019438 
               A019439
%K A019436 nonn,hard,nice
%O A019436 1,2
%A A019436 N. J. A. Sloane (njas(AT)research.att.com), Dec 07 2001

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