%I #4 Mar 30 2012 18:56:20
%S 1,4,6,8,10,13,27,41,46,49,52,55,58,59,60,61,62,64,65,67,70,73,76,79,
%T 81,82,85,88,91,94,97,100,102,103,106,109,112,115,118,123,131,134,137,
%U 140,144,165,186,206,207,209,212,228,249,270,278
%N Position of n-th 1 in A031018.
%K nonn
%O 1,2
%A _Clark Kimberling_
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