%I #4 Mar 30 2012 18:56:54
%S 0,1,2,5,9,19,34,55,125,209,329,791,1286,2001,5004,8007,12375,31823,
%T 50387,77519,203489,319769,490313,1307503,2042974,3124549,8436284,
%U 13123109,20030009,54627299,84672314,129024479,354817319
%N Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+3)/3.
%K nonn
%O 1,3
%A _Clark Kimberling_
|