%I #12 Jun 08 2019 03:56:22

%S 1,2,6,3,9,7,11,4,13,10,15,8,16,12,17,5,18,14,19,20,26,21,61,22,38,23,

%T 28,24,67,25,73,27,30,29,42,31,78,39,32,34,81,33,84,35,40,62,87,36,51,

%U 44,43,37,89,47,45,41,74,68,92,46,95,97,54,52,48,49,99

%N Inverse permutation to A308539.

%H Rémy Sigrist, <a href="/A308541/b308541.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A308541/a308541.gp.txt">PARI program for A308541</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%e A308539(33) = 42, hence a(42) = 33.

%o (PARI) See Links section.

%Y Cf. A308539.

%K nonn,base

%O 1,2

%A _Rémy Sigrist_, Jun 06 2019