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%I #4 Mar 30 2012 18:56:54
%S 0,0,0,0,0,0,0,0,0,0,28,36,45,180,220,264,660,780,910,2821,3465,4220,
%T 16940,21420,26775,94248,118104,146300,461700,574644,708477,2310000,
%U 2899380,3610540,12357532,15634300,19623175,66098175
%N Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n-2)/3.
%K nonn
%O 1,11
%A _Clark Kimberling_
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