A375113 - OEIS

%I #10 Aug 04 2024 12:42:56

%S 1,3,2,6,4,10,5,14,8,7,15,11,21,9,20,12,27,13,34,18,16,28,17,35,23,22,

%T 36,29,45,19,43,24,44,30,54,25,53,31,64,26,63,32,75,33,87,41,37,55,38,

%U 65,39,76,40,88,49,46,66,47,77,48,89,58,56,78,57,90,68

%N Inverse permutation to A375112.

%H Rémy Sigrist, <a href="/A375113/b375113.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A375113/a375113.gp.txt">PARI program</a>

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

%e A375112(42) = 72, so a(72) = 42.

%o (PARI) \\ See Links section.

%Y Cf. A375112.

%K nonn

%O 1,2

%A _Rémy Sigrist_, Jul 30 2024