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Inverse integer permutation of A113321.
3

%I #6 Mar 30 2012 18:50:53

%S 1,2,4,3,6,5,8,10,7,12,14,9,16,11,18,20,13,22,15,24,26,17,28,30,19,32,

%T 21,34,36,23,38,40,25,42,27,44,46,29,48,31,50,52,33,54,56,35,58,37,60,

%U 62,39,64,41,66,68,43,70,72,45,74,47,76,78,49,80,82,51,84,53,86,88,55

%N Inverse integer permutation of A113321.

%C A113325 = a(a(n));

%C a(n) = A113321(A113325(n)) = A113325(A113321(n)).

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

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Oct 26 2005