%I #4 Jan 04 2013 14:44:58
%S 1,3,4,6,7,9,10,12,13,15,18,21,16,24,19,27,22,30,25,33,28,31,34,36,37,
%T 39,40,42,43,45,48,51,54,57,46,60,49,63,52,66,55,58,61,64
%N Position of n in rearrangement of natural numbers A103849.
%C a(43)=64 because 43 in 64th place in A103849.
%t Flatten[Table[Position[A103849, i], {i, 0, 43}]]
%Y Cf. A036301, A103829, A103848, A103849.
%K nonn,base
%O 0,2
%A _Zak Seidov_, Feb 20 2005