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A047181 Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-1)/2. 0

%I #5 Mar 30 2012 18:56:53

%S 0,0,0,0,0,0,0,0,0,0,6,7,42,48,168,189,504,560,1260,1386,2827,3090,

%T 6270,6864,15444,17094,44044,49335,135135,152152,408968,460139,

%U 1174224,1316904

%N Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-1)/2.

%K nonn

%O 1,11

%A _Clark Kimberling_

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Last modified April 19 17:49 EDT 2024. Contains 371797 sequences. (Running on oeis4.)