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%I #4 Mar 30 2012 18:56:54
%S 0,0,0,0,0,0,0,0,0,0,0,36,45,55,220,264,312,780,910,1050,3465,4220,
%T 5100,21420,26775,33117,118104,146300,179340,574644,708477,866019,
%U 2899380,3610540,4463500,15634300,19623175,24446565,83635695
%N Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n-3)/3.
%K nonn
%O 1,12
%A _Clark Kimberling_
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