%I A106363
%S A106363 1,1,0,1,0,1,3,7,14,43,115,326,931,2719,7979,23804,71418,216444,660276,
%T A106363 2028558,6268350,19479746,60835542,190881085,601459251,1902680249,
%U A106363 6040955223,19245061851,61503863732,197135868680,633615135842
%N A106363 Planar trees where no branch is identical to its adjacent neighbor.
%H A106363 <a href="Sindx_Tra.html#trees">Index entries for sequences related to 
               trees</a>
%F A106363 G.f.: A(x) = B(x) + (C(x^2) - C(x)^2)/2. B(x) is g.f. of A106362. C(x) 
               is g.f. of A106361.
%Y A106363 Cf. A002995.
%Y A106363 Sequence in context: A147006 A146936 A146155 this_sequence A128658 A001203 
               A154883
%Y A106363 Adjacent sequences: A106360 A106361 A106362 this_sequence A106364 A106365 
               A106366
%K A106363 nonn
%O A106363 1,7
%A A106363 Christian G. Bower (bowerc(AT)usa.net), Apr 29 2005