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%I #4 Mar 30 2012 18:56:23
%S 23,24,30,34,44,53,54,61,67,86,111,121,124,129,133,149,152,189,204,
%T 205,211,222,236,242,247,252,254,255,256,258,284,306,312,314,317,340,
%U 342,361,365,370,386,396,399,409,414,421,423,441
%N Position of n-th 7 in A031324.
%K nonn
%O 1,1
%A _Clark Kimberling_
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