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Matula-Goebel signature computed for trees rearranged by Catalan automorphism *A069787: a(n) = A127301(A069787(n)).
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%I #8 Jun 08 2014 08:59:46

%S 1,2,4,3,8,6,7,6,5,16,12,14,12,10,19,13,14,12,9,17,13,10,11,32,24,28,

%T 24,20,38,26,28,24,18,34,26,20,22,53,37,43,37,29,38,26,28,24,18,21,21,

%U 18,15,67,41,43,37,23,34,26,20,15,59,41,29,22,31,64,48,56,48,40

%N Matula-Goebel signature computed for trees rearranged by Catalan automorphism *A069787: a(n) = A127301(A069787(n)).

%C See the comments at A243492.

%H Antti Karttunen, <a href="/A243491/b243491.txt">Table of n, a(n) for n = 0..6917</a>

%H A. Karttunen, <a href="https://oeis.org/wiki/User:Antti_Karttunen/Speculations/On_the_fixed_points_of_A071661">On the fixed points of A071661</a> (Notes in OEIS Wiki)

%F a(n) = A127301(A069787(n)).

%o (Scheme) (define (A243491 n) (A127301 (A069787 n)))

%Y A243492 gives the differences from A127301. Cf. also A243490, A243493.

%K nonn

%O 0,2

%A _Antti Karttunen_, Jun 07 2014