A047192 Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-2)/2.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 8, 48, 54, 189, 210, 560, 616, 1386, 1512, 3090, 3354, 6864, 7469, 17094, 18810, 49335, 54912, 152152, 170170, 460139, 514329, 1316904