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Inverse permutation to A368577.
2

%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