%I #4 Mar 30 2012 18:56:18
%S 3,13,25,30,32,34,36,37,38,40,49,61,77,95,113,121,124,127,130,131,133,
%T 136,149,167,185,203,221,229,232,235,238,239,241,244,257,275,282,285,
%U 288,291,293,294,297,300,303,306,309,311,312
%N Position of n-th 3 in A030548.
%K nonn
%O 1,1
%A _Clark Kimberling_