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Inverse permutation to A320454.
2

%I #7 Oct 18 2018 14:53:09

%S 1,2,3,4,6,5,7,8,9,10,14,11,15,13,12,16,32,17,33,18,19,20,34,21,22,31,

%T 23,25,35,24,36,26,30,37,29,27,56,38,39,28,57,40,58,41,42,53,59,43,45,

%U 44,51,50,60,46,49,48,52,54,61,47,62,55,63,64,69,68,139

%N Inverse permutation to A320454.

%H Rémy Sigrist, <a href="/A320455/b320455.txt">Table of n, a(n) for n = 1..10000</a>

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

%e A320454(42) = 45, hence a(45) = 42.

%Y Cf. A320454.

%K nonn

%O 1,2

%A _Rémy Sigrist_, Oct 14 2018