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%I #7 Mar 30 2012 18:50:48
%S 1,2,6,4,3,15,5,8,9,10,14,12,7,21,30,16,22,18,11,20,33,39,13,24,25,26,
%T 27,28,34,17,51,32,42,35,55,36,65,70,38,40,19,57,66,44,45,46,23,48,49,
%U 50,69,52,78,54,58,56,29,87,93,60,31,62,63,64,74,37,111,68,102,82,41,72
%N If n is squarefree then A100113(A100112(n)) else n.
%C Permutation of the natural numbers with inverse A100116;
%C a(A013929(n)) = A013929(n).
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A005117.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Nov 07 2004
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