%I #5 Mar 30 2012 18:50:59
%S 1,2,4,3,8,5,11,6,7,9,18,10,22,12,13,14,29,15,33,16,17,19,40,20,21,23,
%T 24,25,51,26,54,27,28,30,31,32,64,34,35,36,72,37,76,38,39,41,84,42,43,
%U 44,45,46,94,47,48,49,50,52,104,53,109,55,56,57,58,59,120,60,61,62,127
%N Inverse of A137621.
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Jan 30 2008