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%I #10 Mar 01 2023 02:09:03
%S 0,1,3,2,7,6,4,5,14,13,12,15,8,11,10,9,28,27,26,29,25,30,31,16,17,18,
%T 24,19,23,22,20,21,55,56,54,53,52,57,58,50,51,60,59,61,62,63,32,33,34,
%U 36,35,48,47,49,37,38,45,46,44,39,40,41,43,42,111,112,113
%N Inverse permutation to A360982.
%H Rémy Sigrist, <a href="/A360983/b360983.txt">Table of n, a(n) for n = 0..8191</a>
%H Rémy Sigrist, <a href="/A360983/a360983.gp.txt">PARI program</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A360982(42) = 63, so a(63) = 42.
%o (PARI) See Links section.
%Y Cf. A360982.
%K nonn,base
%O 0,3
%A _Rémy Sigrist_, Feb 27 2023