%I #10 Apr 12 2018 02:47:50
%S 1,6,2,9,5,7,23,84,3,13,47,10,27,88,44,17,51,8,92,21,24,96,132,85,105,
%T 114,4,64,36,14,60,32,48,141,73,11,56,194,28,255,155,89,137,175,45,
%U 124,69,18,270,449,52,146,78,280,199,190,93,225,180,22,129,251
%N Inverse permutation of A213912.
%H Reinhard Zumkeller, <a href="/A213913/b213913.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 import Data.List (elemIndex)
%o import Data.Maybe (fromJust)
%o a213913 = (+ 1) . fromJust . (`elemIndex` a213912_list)
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Mar 05 2013