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A048048 Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n+1)/3. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 10, 11, 66, 72, 78, 273, 294, 315, 840, 896, 952, 2142, 2268, 2394, 4959, 5230, 5502, 12012, 12705, 13409, 34914, 37224, 39600, 117975, 126412, 135135, 405405, 434434, 464464, 1309959, 1400455 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,14
LINKS
CROSSREFS
Sequence in context: A227801 A048031 A048013 * A136835 A031166 A202706
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)