%I #2 Mar 30 2012 18:57:06
%S 1,4,2,3,9,10,12,5,6,17,7,8,22,23,25,26,11,30,31,33,13,14,38,15,16,43,
%T 44,46,18,19,51,20,21,56,57,59,60,24,64,65,67,68,27,72,28,29,77,78,80,
%U 81,32,85,86,88,34,35,93,36,37,98,99,101,39,40,106,41,42,111,112,114
%N Inverse of A120239.
%C A permutation of the natural numbers.
%Y Cf. A120229, A120239.
%K nonn
%O 1,2
%A _Clark Kimberling_, Jun 11 2006