%I #4 Mar 30 2012 18:56:18
%S 3,12,24,31,33,35,36,37,39,41,48,60,75,93,111,121,124,127,129,130,133,
%T 136,147,165,183,201,219,229,232,235,237,238,241,244,255,273,284,287,
%U 290,291,293,296,299,302,305,308,309,311,314
%N Position of n-th 3 in A030567.
%K nonn
%O 1,1
%A _Clark Kimberling_
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