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%I #4 Dec 14 2013 19:56:50
%S 1,2,3,4,7,5,10,8,6,12,23,9,17,19,14,15,29,11,21,24,20,39,76,16,32,34,
%T 13,26,50,25,48,30,45,57,113,18,36,41,35,46,89,38,74,77,28,55,108,31,
%U 61,63,58,67,133,22,43,51,42,82,163,47,92,94,40,59,117,78
%N Inverse of the permutation A233559 of the positive integers.
%H Clark Kimberling, <a href="/A233560/b233560.txt">Table of n, a(n) for n = 1..1000</a>
%t x = {1}; Do[x = DeleteDuplicates[Flatten[Transpose[{x, x + 1, 2 x, 3 x}]]], {8}]; x (* A233559 *)
%t y = Flatten[Table[Position[x, n], {n, 1, 157}]] (* A233560 *)
%Y Cf. A233559.
%K nonn,easy
%O 1,2
%A _Clark Kimberling_, Dec 14 2013
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