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%I #7 Jan 11 2024 02:52:38
%S 4,8,9,10,13,14,17,19,21,22,23,24,25,26,27,28,31,33,35,36,37,38,41,42,
%T 44,45,46,50,51,52,54,56,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,
%U 73,74,75,76,77,78,79,80,83,84,86,87,88,92,93,94,96,98,100,101,102,103
%N A014486-indices of the trees whose interior zigzag-tree (Stanley's c) is not branch-reduced (in the sense defined by Donaghey).
%H Robert Donaghey, <a href="https://doi.org/10.1016/0095-8956(80)90045-3">Automorphisms on Catalan trees and bracketing</a>, J. Combin. Theory, Series B, 29 (1980), 75-90.
%F a(n) = A080300(A080971(n)).
%Y Cf. A014486, A080300, A080971.
%Y See comment at A080971. Complement of A080980.
%K nonn
%O 0,1
%A _Antti Karttunen_, Mar 02 2003
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