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Inverse permutation to A372129.
2

%I #12 Apr 29 2024 09:30:06

%S 0,1,2,7,3,5,9,13,4,19,11,25,15,33,21,37,6,10,29,31,23,45,35,57,8,53,

%T 49,65,69,79,89,105,12,17,39,41,50,59,73,77,14,47,61,81,63,93,125,129,

%U 16,43,67,85,51,97,121,137,27,113,133,153,111,161,141,165,18

%N Inverse permutation to A372129.

%H Rémy Sigrist, <a href="/A372131/b372131.txt">Table of n, a(n) for n = 0..10000</a>

%H Rémy Sigrist, <a href="/A372131/a372131.gp.txt">PARI program</a>

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

%e A372129(42) = 132, so a(132) = 42.

%o (PARI) \\ See Links section.

%Y Cf. A372129.

%K nonn,base

%O 0,3

%A _Rémy Sigrist_, Apr 20 2024