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%I #7 Mar 22 2022 00:11:07
%S 1,2,4,3,7,5,11,6,8,9,12,10,14,13,15,16,17,20,18,21,24,25,19,26,28,29,
%T 31,33,22,35,23,36,39,40,43,44,27,46,48,49,30,52,32,56,57,59,34,60,62,
%U 63,66,67,37,69,70,73,76,77,38,79,41,82,83,85,86,88,42
%N Inverse permutation to A249054.
%H Reinhard Zumkeller, <a href="/A249571/b249571.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); import Data.Maybe (fromJust)
%o a249571 = (+ 1) . fromJust . (`elemIndex` a249054_list)
%Y Cf. A249054.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Nov 01 2014
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