%I #1 Aug 27 2010 03:00:00
%S 1,1,2,7,36,245,2081,21231
%N The number of multiplicity-free labeled floor diagrams with n nodes
%H Fomin, Mikhalkin, <a href="http://arxiv.org/abs/0906.3828">Labeled floor diagrams for plane curves</a>
%K hard,more,nonn
%O 1,3
%A Kevin Hu (10thsymphony(AT)gmail.com), Aug 23 2010