%I #9 Jan 29 2024 07:03:26
%S 0,2,50,842,908,13610,13868,14642,14900,15416,218282,219308,222386,
%T 223412,225464,234698,235724,238802,239828,241880,247010,248036,
%U 250088,254192,3494570,3498668,3510962,3515060,3523256,3560138,3564236,3576530
%N A014486-encoding of binary trees whose left and right subtree are identical.
%H Antti Karttunen, <a href="/A014486/a014486.ps.gz">Ten initial terms illustrated in positions 0, 1, 6, 42, 52, 385, 414, 477, 506, 555</a>
%H <a href="/index/Ro#RootedTreePlanEncodings">Index entries for encodings of plane rooted trees</a>
%F a(n) = A014486(A083938(n)).
%K nonn
%O 0,2
%A _Antti Karttunen_, May 13 2003