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%I #6 Mar 30 2012 18:56:53
%S 0,0,0,0,0,0,0,0,15,21,28,112,144,180,450,550,660,1815,2275,2821,
%T 10192,13230,16940,57680,74256,94248,288456,367080,461700,1427850,
%U 1824690,2310000,7521360,9684840,12357532,40225735,51798175,66098175
%N Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= n/3.
%Y Shares a bisection with A048045.
%K nonn
%O 1,9
%A _Clark Kimberling_
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