A031078 - OEIS

%I #4 Mar 30 2012 18:56:20

%S 1,9,11,12,13,15,17,19,21,23,25,30,48,66,84,102,120,138,153,156,158,

%T 159,162,165,168,171,174,177,180,181,183,184,185,186,187,189,190,192,

%U 193,195,196,198,199,201,202,204,205,207,210,212

%N Position of n-th 1 in A031076.

%K nonn

%O 1,2

%A _Clark Kimberling_