%I #9 Jan 03 2024 12:00:20
%S 0,1,2,3,4,5,6,8,7,9,10,12,13,15,17,20,11,14,16,18,19,21,23,26,24,27,
%T 30,34,35,38,43,48,22,25,28,31,32,36,39,44,40,45,49,54,55,61,68,76,50,
%U 56,62,69,70,77,84,93,85,94,103,113,114,124,135,146,29,33
%N Inverse permutation to A368577.
%H Rémy Sigrist, <a href="/A368578/b368578.txt">Table of n, a(n) for n = 0..10000</a>
%H Rémy Sigrist, <a href="/A368578/a368578.gp.txt">PARI program</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A368577(42) = 68, so a(68) = 42.
%o (PARI) See Links section.
%Y Cf. A368577.
%K nonn,base
%O 0,3
%A _Rémy Sigrist_, Dec 31 2023