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Index of n-th 2 in A006928.
3

%I #5 Mar 30 2012 18:35:25

%S 2,5,7,8,10,11,14,17,18,20,23,25,26,29,32,34,35,37,38,41,43,44,46,49,

%T 52,53,55,56,59,61,62,64,65,68,71,73,74,76,79,80,82,83,86,88,89,91,92,

%U 95,98,99,101,104,106,107,109,110,113,116,118,119,122,125,126,128,131,134,135

%N Index of n-th 2 in A006928.

%K nonn

%O 1,1

%A _David W. Wilson_