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%I #5 Mar 30 2012 18:56:53
%S 0,0,0,0,0,4,5,6,18,21,24,76,90,105,325,385,450,1390,1651,1939,6027,
%T 7175,8456,26348,31416,37122,116010,138510,164025,513729,614019,
%U 728409,2285569,2734171,3248322,10208110,12220780,14536951
%N Number of nonempty subsets of {1,2,...,n} in which exactly 2/3 of the elements are <= n/3.
%K nonn
%O 1,6
%A _Clark Kimberling_
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