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Permutation A057502 applied four times ("^4"), permutation A082316 squared.
1

%I #5 Mar 31 2012 14:02:19

%S 0,1,2,3,4,6,8,7,5,9,14,21,18,13,10,15,20,17,12,19,16,11,22,23,37,58,

%T 49,35,24,38,57,48,34,56,47,33,64,25,39,59,50,36,26,40,54,45,31,53,44,

%U 30,63,27,41,55,46,32,51,42,28,62,52,43,29,61,60,65,107,170,142,100

%N Permutation A057502 applied four times ("^4"), permutation A082316 squared.

%H <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations induced by Catalan automorphisms</a>

%F a(n) = A082316(A082316(n))

%Y Inverse of A082319. Occurs in A073200. Cf. also A082321-A082324.

%K nonn

%O 0,3

%A _Antti Karttunen_, Apr 17 2003