%I #11 Aug 31 2023 15:51:15
%S 0,1,3,2,6,4,5,7,10,11,8,12,9,13,14,15,21,16,17,22,18,24,23,27,19,25,
%T 28,29,31,32,30,20,36,37,38,44,39,45,47,46,40,49,53,55,48,54,57,26,34,
%U 42,51,56,58,61,63,64,59,66,35,43,69,67,52,33,78,79,68,80
%N Inverse permutation to A365232.
%H Rémy Sigrist, <a href="/A365233/b365233.txt">Table of n, a(n) for n = 0..10000</a>
%H Rémy Sigrist, <a href="/A365233/a365233.gp.txt">PARI program</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A365232(42) = 49, hence a(49) = 42.
%o (PARI) See Links section.
%Y Cf. A365232.
%K nonn,look,base
%O 0,3
%A _Rémy Sigrist_, Aug 27 2023