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Search: id:A049807
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A049807 a(n)=number of Farey fractions of order n that are <=1/3; cf. A049805. +0
1
1, 1, 2, 3, 4, 5, 7, 8, 10, 12, 15, 16, 20, 22, 25, 28, 33, 35, 41, 43, 47, 51, 58, 61, 68, 72, 78, 82, 91, 93, 103, 108, 115, 121, 129, 133, 145, 151, 159, 165, 178, 182, 196, 202, 210, 218, 233, 238, 252, 258, 269, 277, 294, 300 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Adjacent sequences: A049804 A049805 A049806 this_sequence A049808 A049809 A049810

Sequence in context: A008754 A029005 A132154 this_sequence A008753 A029004 A026496

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified October 9 14:06 EDT 2008. Contains 144831 sequences.


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