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Inverse permutation to A361379.
2

%I #16 Mar 13 2023 12:01:21

%S 0,1,3,2,4,17,5,8,10,18,6,19,7,20,29,9,11,47,71,21,12,22,72,96,13,23,

%T 30,24,31,121,32,36,38,48,197,49,14,50,73,97,15,51,74,25,75,26,367,98,

%U 16,52,76,27,77,28,33,99,112,122,34,123,35,124,135,37,39

%N Inverse permutation to A361379.

%H Rémy Sigrist, <a href="/A361422/b361422.txt">Table of n, a(n) for n = 0..8192</a>

%H Rémy Sigrist, <a href="/A361422/a361422.gp.txt">PARI program</a>

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

%e A361379(42) = 96, so a(96) = 42.

%o (PARI) See Links section.

%Y Cf. A361379.

%K nonn,base

%O 0,3

%A _Rémy Sigrist_, Mar 11 2023