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%I #10 Mar 22 2022 00:12:32
%S 1,2,4,3,7,5,11,6,10,8,14,9,23,12,17,13,24,16,28,18,20,15,31,19,35,22,
%T 34,21,39,26,43,30,46,25,36,33,54,29,47,41,58,37,61,45,27,32,65,38,53,
%U 42,50,48,87,49,74,52,69,40,92,56,97,44,72,60,75,63,101,51,95,67,108,71,116,55,57,70,73,76,119
%N Inverse permutation to A280866.
%H Antti Karttunen, <a href="/A304741/b304741.txt">Table of n, a(n) for n = 1..20000</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%o (PARI) \\ Use the program given in A280866.
%Y Cf. A280866 (inverse).
%Y Differs from similar A280741 for the first time at n=31, where a(31) = 43, while A280741(31) = 49.
%K nonn
%O 1,2
%A _Antti Karttunen_, May 18 2018
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