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Position of n-th 1 in A031027.
0

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

%S 1,5,6,7,13,16,25,29,32,35,40,41,45,46,48,61,66,67,76,81,85,87,92,109,

%T 110,113,121,128,133,138,143,144,149,152,153,155,158,159,172,183,188,

%U 189,202,207,223,226,229,232,237,238,260,273,284

%N Position of n-th 1 in A031027.

%K nonn

%O 1,2

%A _Clark Kimberling_