%I #9 Mar 22 2022 00:10:43
%S 0,1,3,2,6,5,4,7,11,10,9,12,15,14,13,8,20,19,18,21,24,23,22,17,28,27,
%T 26,29,16,31,30,25,37,36,35,38,41,40,39,34,45,44,43,46,33,48,47,42,53,
%U 52,51,54,57,56,55,50,61,60,59,62,49,32,63,58,70,69,68
%N Inverse permutation to A105027.
%H Reinhard Zumkeller, <a href="/A214417/b214417.txt">Table of n, a(n) for n = 0..10000</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%o (Haskell)
%o -- import Data.List (elemIndex)
%o -- import Data.Maybe (fromJust)
%o a214417 = fromJust . (`elemIndex` a105027_list)
%Y Cf. A214416, A214414 (fixed points).
%K nonn
%O 0,3
%A _Reinhard Zumkeller_, Jul 21 2012