%I A048094
%S A048094 0,0,1,2,6,13,25,45,91,175,322,570,975,1617,2607,7425,12753,21385,
%T A048094 35065,56302,88638,136986,208050,310840,1251606,1973706,3065931,
%U A048094 4694921,7092211,10575635,15576535,22674015,32637675,46480475
%N A048094 Number of nonempty subsets of {1,2,...,n} in which exactly 1/3 of the 
               elements are <= sqrt(n).
%Y A048094 Sequence in context: A003600 A000135 A065220 this_sequence A031872 A124677 
               A034465
%Y A048094 Adjacent sequences: A048091 A048092 A048093 this_sequence A048095 A048096 
               A048097
%K A048094 nonn
%O A048094 1,4
%A A048094 Clark Kimberling (ck6(AT)evansville.edu)