%I #7 Mar 22 2022 00:11:54
%S 2,1,4,3,5,7,8,9,6,10,11,12,13,14,16,17,15,18,19,20,21,22,23,24,25,26,
%T 27,29,30,31,32,28,33,34,35,37,36,38,39,40,41,42,43,44,46,47,48,49,50,
%U 45,51,52,53,54,56,57,58,55,59,60,61,62,63,64,65,67,68
%N Inverse permutation to A075348.
%H Reinhard Zumkeller, <a href="/A262663/b262663.txt">Table of n, a(n) for n = 1..10000</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%o (Haskell)
%o a262663 = (+ 1) . fromJust . (`elemIndex` a075348_list)
%Y Cf. A075348, A262665 (fixed points).
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, Sep 26 2015