%I A131178
%S A131178 1,2,5,16,64,308,1730,11104
%N A131178 Increasing binary trees with 2 colors for edge of outdegree 1.
%F A131178 E.g.f.: {2*(e^{sqrt{2}x}-1)} / {(2+sqrt{2})-(2-sqrt{2})e^{sqrt{2}x}}
%Y A131178 Sequence in context: A059685 A000112 A127083 this_sequence A003149 A027046 
               A000522
%Y A131178 Adjacent sequences: A131175 A131176 A131177 this_sequence A131179 A131180 
               A131181
%K A131178 nonn
%O A131178 0,2
%A A131178 Wenjin Woan (wjwoan(AT)hotmail.com), Oct 31 2007