%I #4 Mar 30 2012 18:56:20
%S 1,6,13,14,17,29,31,34,40,45,50,53,64,70,75,81,100,110,124,128,129,
%T 132,135,136,145,155,161,168,174,190,198,199,203,204,205,212,214,230,
%U 247,253,254,258,259,262,272,275,283,286,298,308
%N Position of n-th 1 in A031111.
%K nonn
%O 1,2
%A _Clark Kimberling_
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