A048026 Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-2)/3.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 13, 14, 84, 90, 96, 336, 357, 378, 1008, 1064, 1120, 2520, 2646, 2772, 5775, 6049, 6324, 14124, 14850, 15587, 42042, 44550, 47124, 144144, 153439, 163020, 495495, 527527, 560560

Offset

1,17

Links

Table of n, a(n) for n=1..46.

Crossrefs

Sequence in context: A239722 A112655 A308919 * A115662 A354746 A136200

Adjacent sequences: A048023 A048024 A048025 * A048027 A048028 A048029

Keyword

nonn

Author

Clark Kimberling

Status

approved