Search: id:A008286
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%I A008286
%S A008286 1,2,5,14,61,320,3037
%N A008286 Number of different parameter sets for orthogonal arrays with 2^n runs.
%C A008286 Number of nodes in lattice Lambda_{2^n}.
%D A008286 Calculated by M. Colgan, E. M. Rains and N. J. A. Sloane, August 1999.
%H A008286 E. M. Rains, N. J. A. Sloane and J. Stufken, The Lattice of N-Run Orthogonal 
               Arrays, J. Stat. Planning Inference, 102 (2002), 477-500 (<a href="http:/
               /www.research.att.com/~njas/doc/rao.txt">Abstract</a>, <a href="http:/
               /www.research.att.com/~njas/doc/rao.pdf">pdf</a>, <a href="http:/
               /www.research.att.com/~njas/doc/rao.ps">ps</a>)
%Y A008286 Cf. A049082.
%Y A008286 Sequence in context: A047042 A110043 A006847 this_sequence A049082 A158095 
               A059958
%Y A008286 Adjacent sequences: A008283 A008284 A008285 this_sequence A008287 A008288 
               A008289
%K A008286 nonn,nice
%O A008286 0,2
%A A008286 N. J. A. Sloane (njas(AT)research.att.com).

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