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a(n) = A072637(A048679(n)).
4

%I #9 Jul 31 2017 03:31:55

%S 0,1,2,6,3,15,4,5,52,7,16,19,14,466,11,9,37,8,112,42,43,5095,20,53,44,

%T 39,127,10,28,481,123,121,149,51,17231,29,12,40,17,41,154,155,153,18,

%U 47,156,38,1512,477,475,385,151,1234,122,376,69829,55,159,56,113,164

%N a(n) = A072637(A048679(n)).

%C Composition of the permutations A072637 & A048679.

%H A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%Y A072645 gives the size of the corresponding parenthesizations, i.e., A072645(n) = A029837(A014486(A072647(n)) + 1)/2. (A029837(n+1) gives the binary width of n.)

%K nonn

%O 0,3

%A _Antti Karttunen_, Jun 02 2002