%I #4 Mar 30 2012 18:56:54
%S 0,1,2,5,9,14,20,27,83,119,164,219,285,363,454,1819,2379,3059,3875,
%T 4844,5984,7314,8854,10625,53129,65779,80729,98279,118754,142505,
%U 169910,201375,237335,278255,324631,1947791,2324783,2760680
%N Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= sqrt(n).
%Y Cf. A084919.
%K nonn
%O 1,3
%A _Clark Kimberling_
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