%I #10 Jul 21 2024 12:48:50
%S 0,1,2,4,3,5,6,7,8,9,16,10,12,11,17,18,19,13,14,20,21,24,22,25,15,26,
%T 23,27,28,29,30,31,32,33,34,35,64,36,40,37,48,38,41,39,65,66,67,42,43,
%U 49,50,44,45,68,69,72,70,73,46,52,51,53,47,74,71,75,76,77
%N Inverse permutation to A374791.
%H Rémy Sigrist, <a href="/A374792/b374792.txt">Table of n, a(n) for n = 0..8255</a>
%H Rémy Sigrist, <a href="/A374792/a374792.gp.txt">PARI program</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e A374791(42) = 47, so a(47) = 42.
%o (PARI) \\ See Links section.
%Y Cf. A374791.
%K nonn,base
%O 0,3
%A _Rémy Sigrist_, Jul 20 2024