id:A048064 - OEIS Search Results

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

+0
1

0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 8, 32, 36, 90, 100, 245, 275, 770, 882, 2520, 2912, 7930, 9184, 24430, 28400, 76010, 88880, 239420, 281384, 755378, 890916, 2378103, 2813083 (list; graph; listen)

	OFFSET	`1,10`
	CROSSREFS	`Sequence in context: A136116 A080982 A042875 this_sequence A122605 A037953 A041106` `Adjacent sequences: A048061 A048062 A048063 this_sequence A048065 A048066 A048067`
	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