id:A049809 - OEIS Search Results

Search: id:A049809

Displaying 1-1 of 1 results found.

page 1

a(n)=number of Farey fractions of order n that are <=1/5; cf. A049805.

+0
1

1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 17, 20, 21, 24, 26, 29, 31, 35, 36, 40, 43, 47, 50, 55, 56, 62, 65, 69, 72, 77, 80, 87, 91, 96, 99, 107, 109, 117, 121, 126, 131, 140, 143, 151, 155, 162, 167, 177, 180, 188, 193, 201, 207 (list; graph; listen)

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A033104 A048856 A067175 this_sequence A165763 A011870 A087950` `Adjacent sequences: A049806 A049807 A049808 this_sequence A049810 A049811 A049812`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research