login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Inverse permutation to A372130.
2

%I #11 Apr 29 2024 09:29:50

%S 1,2,3,6,4,8,5,10,11,14,7,18,9,22,12,24,13,26,15,30,20,32,16,34,17,38,

%T 28,42,19,46,21,40,31,50,27,54,23,56,33,58,25,70,29,66,39,62,35,72,36,

%U 74,43,78,37,82,41,86,44,88,45,90,47,94,48,96,49,98,51

%N Inverse permutation to A372130.

%H Rémy Sigrist, <a href="/A372132/b372132.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A372132/a372132.gp.txt">PARI program</a>

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

%e A372130(42) = 28, so a(28) = 42.

%o (PARI) \\ See Links section.

%Y Cf. A372130.

%K nonn

%O 1,2

%A _Rémy Sigrist_, Apr 20 2024