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%I #11 Jan 11 2024 03:05:07
%S 42,56,170,172,184,202,212,226,232,240,682,684,690,692,696,714,724,
%T 738,744,752,810,812,824,842,850,852,856,880,906,908,916,930,936,944,
%U 962,964,968,976,992,2730,2732,2738,2740,2744,2762,2764,2770,2772,2776,2786
%N A014486-encodings 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.
%H Antti Karttunen, <a href="/A014486/a014486.ps.gz">Initial terms illustrated in positions 4, 8, 9, 10, 13, 14, 17, 19, 21, 22, 23, 24, 25, 26, 27, 28, 31, ...</a>
%F a(n) = A014486(A080970(n)).
%Y Cf. A014486, A080970, A080981.
%K nonn
%O 0,1
%A _Antti Karttunen_, Mar 02 2003