%I #7 Jun 24 2017 00:25:58

%S 0,1,1,1,2,3,11,21,72,144521

%N Number of dual atoms in lattice Lambda'_{2^n} of putative parameter sets for orthogonal arrays with 2^n runs.

%D Calculated by M. Colgan, E. M. Rains and N. J. A. Sloane, August 1999.

%H 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://neilsloane.com/doc/rao.txt">Abstract</a>, <a href="http://neilsloane.com/doc/rao.pdf">pdf</a>, <a href="http://neilsloane.com/doc/rao.ps">ps</a>)

%K nonn,nice

%O 0,5

%A _N. J. A. Sloane_