%I #10 Jan 29 2024 11:23:29
%S 0,2,50,844,906,13624,13876,14642,14892,15402,218352,219368,222436,
%T 223448,225492,234722,235730,238796,239800,241844,246986,247986,
%U 250028,254122,3494880,3498960,3511240,3515312,3523496,3560388,3564452,3576728
%N A014486-encoding of symmetric binary trees.
%H Antti Karttunen, <a href="/A014486/a014486.ps.gz">Ten initial terms illustrated in positions 0, 1, 6, 43, 51, 389, 416, 477, 504, 551</a>
%H <a href="/index/Ro#RootedTreePlanEncodings">Index entries for encodings of plane rooted trees</a>
%F a(n) = A014486(A083940(n)).
%Y Subsets: A084107, A080263, A080293.
%K nonn
%O 0,2
%A _Antti Karttunen_, May 13 2003