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%I #10 Mar 05 2020 18:49:24
%S 1,2,3,4,5,6,9,7,8,10,17,11,33,18,12,13,65,14,129,19,20,34,257,21,15,
%T 66,16,35,513,22,1025,23,36,130,24,25,2049,258,67,37,4097,38,8193,68,
%U 26,514,16385,39,27,28,131,132,32769,29,40,69,259,1026,65537,41
%N Inverse of permutation in A332977.
%C Permutation of the natural numbers A000027 with fixed points 1, 2, 3, 4, 5, 6, 10, ... and inverse permutation A332977 (with offset 1).
%H Alois P. Heinz, <a href="/A332990/b332990.txt">Table of n, a(n) for n = 1..20000</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F a(p) = 1 + 2^(pi(p)-1) = A094373(A000720(p)) for prime p.
%Y Cf. A000027, A000040, A000720 (pi), A094373, A332977.
%K nonn
%O 1,2
%A _Alois P. Heinz_, Mar 05 2020
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