%I A024358
%S A024358 1,1,8,105,6136,8766473,8245941529080,3508518207951157937469961,
%T A024358 311594265746788494170062926869662848646207622648,
%U A024358 1217308491239906829392988008143949647398943617188660186130545502913055217344025410733271773705
%N A024358 Sum of the sizes of binary subtrees of the perfect binary tree of height 
               n.
%C A024358 Size of binary tree = number of internal nodes.
%H A024358 C. Banderier, <a href="http://algo.inria.fr/banderier/Papers/subtrees.ps">
               On the sum of the sizes of binary subtrees of a perfect binary tree</
               a>, preprint, 2000
%F A024358 a(n) = B'_n(1) where B_{n+1}(x)=1+xB_n(x)^2.
%Y A024358 Cf. A003095.
%Y A024358 Sequence in context: A001922 A113551 A082735 this_sequence A055406 A155632 
               A129278
%Y A024358 Adjacent sequences: A024355 A024356 A024357 this_sequence A024359 A024360 
               A024361
%K A024358 easy,nonn
%O A024358 0,3
%A A024358 Cyril Banderier (Cyril.Banderier(AT)inria.fr), Jun 09 2000