%I A083939
%S A083939 0,2,50,842,908,13610,13868,14642,14900,15416,218282,219308,222386,
%T A083939 223412,225464,234698,235724,238802,239828,241880,247010,248036,250088,
%U A083939 254192,3494570,3498668,3510962,3515060,3523256,3560138,3564236,3576530
%N A083939 A014486-encoding of binary trees whose left and right subtree are identical.
%H A083939 A. Karttunen, <a href="a014486.ps.gz">Ten initial terms illustrated in 
               positions 0, 1, 6, 42, 52, 385, 414, 477, 506, 555</a>
%H A083939 <a href="Sindx_Ro.html#RootedTreePlanEncodings">Index entries for encodings 
               of plane rooted trees</a>
%F A083939 a(n) = A014486(A083938(n))
%Y A083939 Sequence in context: A007511 A016032 A080299 this_sequence A083941 A080263 
               A088920
%Y A083939 Adjacent sequences: A083936 A083937 A083938 this_sequence A083940 A083941 
               A083942
%K A083939 nonn
%O A083939 0,2
%A A083939 Antti Karttunen (MyFirstname.MySurname(AT)iki.fi) May 13 2003