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A048078 Number of nonempty subsets of {1,2,...,n} in which exactly 3/5 of the elements are <= (n+2)/3. 0
0, 0, 0, 0, 0, 0, 6, 10, 15, 60, 84, 112, 280, 360, 450, 1110, 1430, 1815, 5775, 7735, 10192, 33124, 44100, 57680, 170968, 223720, 288456, 846600, 1105800, 1427850, 4401540, 5784240, 7521360, 23544510, 30936334, 40225735, 124110415 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,7
LINKS
CROSSREFS
Sequence in context: A357529 A048017 A332392 * A229276 A319035 A117309
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 17 01:23 EDT 2024. Contains 371756 sequences. (Running on oeis4.)