A343647 - OEIS

%I #10 Apr 25 2021 15:14:22

%S 0,1,2,4,3,7,6,5,12,11,10,8,9,20,19,18,16,17,13,14,15,33,32,31,29,30,

%T 26,27,28,21,22,23,25,24,54,53,52,50,51,47,48,49,42,43,44,46,45,34,35,

%U 36,38,37,41,40,39,88,87,86,84,85,81,82,83,76,77,78,80,79

%N Inverse permutation to A343646.

%H Rémy Sigrist, <a href="/A343647/b343647.txt">Table of n, a(n) for n = 0..10945</a>

%H Rémy Sigrist, <a href="/A343647/a343647.gp.txt">PARI program for A343647</a>

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

%e A343646(7) = 5, so a(5) = 7.

%o (PARI) See Links section.

%Y Cf. A343646.

%K nonn

%O 0,3

%A _Rémy Sigrist_, Apr 24 2021