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%I #4 Mar 30 2012 18:56:54
%S 0,0,0,0,0,0,0,0,0,6,7,8,40,45,50,150,165,180,420,455,490,1071,1155,
%T 1240,3096,3366,3645,10665,11685,12750,37950,41580,45375,126775,
%U 138391,150524,398684,433875,470665,1238601,1347255,1461278
%N Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n+2)/3.
%K nonn
%O 1,10
%A _Clark Kimberling_
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