%I #8 Apr 22 2021 14:50:23
%S 1,2,3,5,59,33,17,14,8,10,4,27,24,21,35,12,11,19,9,20,28,6,18,117,29,
%T 41,388,7,13,30,22,49,42,15,36,442,34,25,248,40,234,32,268,53,74,65,
%U 43,52,38,50,199,574,54,337,62,72,45,56,142,60,461,274,134,47,439,48,377,87
%N Inverse of A083664.
%C A083664(a(n)) = a(A083664(n)) = n.
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A083664.
%K nonn,base
%O 1,2
%A _Reinhard Zumkeller_, May 02 2003