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Position of n-th 2 in A031067.
0

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

%S 2,9,12,18,19,30,46,53,57,59,70,74,75,76,78,91,103,122,135,136,140,

%T 169,170,181,184,186,190,231,232,241,246,254,258,263,264,265,274,286,

%U 303,304,309,312,314,322,340,342,347,352,362,366

%N Position of n-th 2 in A031067.

%K nonn

%O 1,1

%A _Clark Kimberling_