id:A048033 - OEIS Search Results

Search: id:A048033

Displaying 1-1 of 1 results found.

page 1

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

+0
1

0, 0, 0, 0, 0, 0, 0, 0, 35, 56, 84, 252, 360, 495, 1452, 2244, 3432, 11440, 18655, 29575, 86905, 139960, 220150, 617610, 1007216, 1616615, 4563344, 7573970, 12359690, 34220634, 57059772, 93595740, 254222289, 425926604, 703601510 (list; graph; listen)

	OFFSET	`1,9`
	CROSSREFS	`Sequence in context: A121707 A157352 A090877 this_sequence A078819 A095958 A026064` `Adjacent sequences: A048030 A048031 A048032 this_sequence A048034 A048035 A048036`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

page 1

Search completed in 0.002 seconds

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research