%I #9 May 03 2023 05:56:41
%S 1,2,3,4,5,6,9,11,14,7,16,8,18,10,20,12,22,13,24,15,26,27,30,32,33,34,
%T 37,19,39,40,21,43,46,47,50,23,52,25,54,56,57,58,31,29,61,62,65,17,67,
%U 68,35,36,71,72,38,75,78,41,80,42,82,83,86,44,88,45,90,49,92,48,94,96
%N a(n) = A102569(A102569(n)).
%C Inverse permutation to A102570.
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A102568, A102569.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Jan 15 2005