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Inverse permutation to A117332.
3

%I #8 Dec 26 2023 23:49:03

%S 1,2,3,4,5,6,8,7,9,10,16,11,12,13,14,15,17,18,42,19,20,21,22,23,24,25,

%T 26,43,27,28,29,30,41,31,32,33,34,35,36,37,38,39,40,44,245,45,46,47,

%U 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,243,68,246,69

%N Inverse permutation to A117332.

%C A117331(a(n)) = A000961(n).

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

%Y Cf. A000961, A117331, A117332.

%K nonn

%O 1,2

%A _Reinhard Zumkeller_, Mar 08 2006