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Position of n-th 1 in A031067.
0

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

%S 1,5,7,15,17,23,26,27,28,31,43,45,48,50,67,68,79,85,92,93,99,107,109,

%T 114,120,128,146,150,151,160,163,164,166,168,177,180,194,196,197,206,

%U 217,221,227,236,240,247,260,268,277,281,284

%N Position of n-th 1 in A031067.

%K nonn

%O 1,2

%A _Clark Kimberling_