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A048035 Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-3)/3. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 12, 13, 65, 70, 75, 225, 240, 255, 595, 630, 665, 1501, 1590, 1680, 4536, 4851, 5175, 16215, 17460, 18750, 57750, 62205, 66825, 190035, 204246, 218979, 590759, 634075, 679055, 1836471 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,15
LINKS
CROSSREFS
Sequence in context: A031300 A111019 A306583 * A048015 A061082 A231870
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified August 4 22:06 EDT 2024. Contains 374934 sequences. (Running on oeis4.)