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%I #9 Aug 03 2017 00:39:15
%S 1,3,7,8,17,18,20,21,22,45,46,48,49,50,54,55,57,58,59,61,62,63,64,129,
%T 130,132,133,134,138,139,141,142,143,145,146,147,148,157,158,160,161,
%U 162,166,167,169,170,171,173,174,175,176,180,181,183,184,185,187,188
%N A014486-indices of Catalan mountain ranges with no sea-level valleys, i.e., the rooted plane general trees with root degree = 1.
%C This sequence is induced by the unary form of function 'list' (present in Lisp and Scheme) when it acts on symbolless S-expressions encoded by A014486/A063171.
%H <a href="/index/Li#ListFunsOfLisp">Index entries for the sequences induced by list functions of Lisp</a>
%F a(n) = A080300(A057547(n)) = A069770(A072795(n)).
%Y We have A057515(A057548(n)) = 1 for all n. Row 0 of A072764. Column 1 of A085203. Cf. A057517, A057549, A057551.
%K nonn
%O 0,2
%A _Antti Karttunen_, Sep 07 2000
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