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A048024 Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-2)/3. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 60, 65, 70, 210, 225, 240, 560, 595, 630, 1413, 1501, 1590, 4230, 4536, 4851, 15015, 16215, 17460, 53460, 57750, 62205, 176345, 190035, 204246, 549094, 590759, 634075, 1705795 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,14

LINKS

Table of n, a(n) for n=1..44.

CROSSREFS

Sequence in context: A252481 A308854 A144582 * A048002 A256523 A125098

Adjacent sequences:  A048021 A048022 A048023 * A048025 A048026 A048027

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified January 23 03:52 EST 2021. Contains 340384 sequences. (Running on oeis4.)