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Inverse to A358875.
2

%I #10 Dec 06 2022 07:49:49

%S 1,2,3,4,5,7,11,16,6,12,8,22,29,37,46,56,9,30,38,67,23,79,92,106,17,

%T 121,137,154,172,191,211,232,10,47,31,173,68,138,122,254,80,93,277,

%U 301,326,352,379,407,13,436,466,497,529,562,596,631,667,704,742,781

%N Inverse to A358875.

%H Rémy Sigrist, <a href="/A358876/b358876.txt">Table of n, a(n) for n = 0..10000</a>

%H Rémy Sigrist, <a href="/A358876/a358876.gp.txt">PARI program</a>

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

%F a(2^k) < a(n) if 2^k < n.

%e A358875(38) = 18, so a(18) = 38.

%o (PARI) See Links section.

%Y Cf. A358874, A358875.

%K nonn,base

%O 0,2

%A _Rémy Sigrist_, Dec 04 2022