%I #4 Mar 30 2012 18:56:54
%S 0,0,0,0,0,3,4,5,20,24,28,70,80,90,216,245,275,770,882,1001,2912,3332,
%T 3780,10535,11984,13532,37400,42450,47880,135432,153780,173635,497245,
%U 564399,637307,1822106,2065778,2330900,6665750
%N Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+3)/3.
%K nonn
%O 1,6
%A _Clark Kimberling_
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