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A048082 Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+3)/3. 0

%I

%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_

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Last modified April 8 05:55 EDT 2020. Contains 333312 sequences. (Running on oeis4.)