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A066954 Number of ordered primitive solutions of xy=n (i.e. GCD(x,y)=1). +0
1
1, 2, 2, 1, 2, 4, 2, 2, 2, 4, 2, 6, 2, 4, 4, 2, 2, 6, 2, 6, 4, 4, 2, 4, 2, 4, 2, 6, 2, 8 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Adjacent sequences: A066951 A066952 A066953 this_sequence A066955 A066956 A066957

Sequence in context: A056671 A055076 A069780 this_sequence A029262 A129687 A128176

KEYWORD

nonn,easy

AUTHOR

Colin Mallows (colinm(AT)research.avayalabs.com) Jan 26 2002

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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