id:A048060 - OEIS Search Results

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

+0
1

0, 0, 0, 0, 0, 5, 6, 27, 35, 119, 164, 494, 714, 2001, 3002, 8007, 12375, 31823, 50387, 125969, 203489, 497419, 817189, 1961255, 3268759, 7726159, 13037894, 30421754, 51895934, 119759849, 206253074, 471435599, 818809199 (list; graph; listen)

	OFFSET	`1,6`
	CROSSREFS	`Sequence in context: A121180 A022165 A022163 this_sequence A115761 A127040 A041011` `Adjacent sequences: A048057 A048058 A048059 this_sequence A048061 A048062 A048063`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Corrected by Franklin T. Adams-Watters, Oct 25 2006`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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