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%I #6 Jun 04 2022 21:53:05
%S 4,2,5,8,3,12,6,1,7,18,10,22,11,9,15,31,14,35,16,13,17,41,20,26,21,24,
%T 28,56,25,60,29,19,30,27,33,66,34,23,38,73,37,80,39,43,40,88,44,49,45,
%U 32,46,99,47,52,48,36,55,106,51,114,59,50,63,53,58,127,64,42,54,133,62,137,65
%N a(n) = position of n in A169849.
%C A generalization of A064421.
%K nonn
%O 2,1
%A _T. D. Noe_ and _N. J. A. Sloane_, Jun 02 2010