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%I #7 Jan 29 2024 07:01:58
%S 0,7,49,57,439,452,515,541,585,4612,4631,4757,4795,4865,5455,5468,
%T 5744,5795,5865,6268,6294,6433,6688,53200,53226,53448,53500,53604,
%U 54935,54954,55430,55501,55605,56356,56394,56601,57003,63294,63313,63439
%N Map from binary trees of size n to the set of corresponding trivalent plane trees (tpt) represented as size 2n+1 general trees.
%F a(n) = A057548(A057123(n)).
%Y Inverse function: A083929. Positions of A083936 in A014486.
%K nonn
%O 0,2
%A _Antti Karttunen_, May 13 2003
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