%I #14 Apr 17 2024 10:32:02
%S 0,1,2,3,4,5,7,6,8,9,10,11,15,14,12,13,16,17,18,19,21,20,23,22,30,31,
%T 29,28,24,25,27,26,32,33,34,35,36,37,38,39,42,43,40,41,47,46,45,44,61,
%U 60,62,63,59,58,56,57,48,49,51,50,55,54,52,53,64,65,66,67
%N Inverse permutation to A371959.
%H Rémy Sigrist, <a href="/A371960/b371960.txt">Table of n, a(n) for n = 0..8191</a>
%H Rémy Sigrist, <a href="/A371960/a371960.gp.txt">PARI program</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A371959(42) = 40, so a(40) = 42.
%o (PARI) \\ See Links section.
%Y Cf. A371959.
%K nonn,base
%O 0,3
%A _Rémy Sigrist_, Apr 14 2024