%I #4 Mar 30 2012 18:56:20
%S 29,31,33,35,110,113,116,119,206,209,212,215,302,305,308,311,349,352,
%T 355,358,361,364,367,370,373,376,379,382,385,388,391,394,397,398,400,
%U 401,403,404,406,407,409,412,415,418,421,424
%N Position of n-th 4 in A031057.
%K nonn
%O 1,1
%A _Clark Kimberling_
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