%I #3 Sep 21 2005 03:00:00
%S 2,0,2,1,4,5,14,31
%N Number of unlabeled, connected ortho-projection graphs on n vertices.
%D B. Shtylla and L. Zulli, Ortho-projection graphs, in preparation.
%H L. Zulli, <a href="http://www.cs.lafayette.edu/~zullil/">Home Page</a>
%Y Cf. A081080, A081081.
%K nonn
%O 1,1
%A B. Shtylla and L. Zulli (shtyllab(AT)lafayette.edu, zullil(AT)lafayette.edu), Mar 05 2003
%E Conjecture: a(9) = 84.