id:A048024 - OEIS Search Results

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Number of nonempty subsets of {1,2,...,n} in which exactly 4/5 of the elements are <= (n-2)/3.

+0
1

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; listen)

	OFFSET	`1,14`
	CROSSREFS	`Sequence in context: A098395 A112654 A102695 this_sequence A048002 A125098 A058944` `Adjacent sequences: A048021 A048022 A048023 this_sequence A048025 A048026 A048027`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research