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%I #9 Dec 14 2014 02:45:19
%S 0,0,0,0,0,0,0,3,4,24,84,105,280,630,756,1527,2937,3465,6930,15015,
%T 18304,44044,108164,135219,328944,767244,953360,2152710,4738410,
%U 5848238,12890614,28583709,35471919,80628669,184657869
%N Number of nonempty subsets of {1,2,...,n} in which exactly 1/6 of the elements are <= (n+3)/3.
%H O. Bagdasar, <a href="http://www.np.ac.rs/downloads/publications/VOL6_Br_2/vol6br2-3.pdf">On some functions involving the lcm and gcd of integer tuples</a>, Scientific Publications of the State University of Novi Pazar, Appl. Maths. Inform. and Mech., Vol. 6, 2 (2014), 91--100.
%K nonn
%O 1,8
%A _Clark Kimberling_
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