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Search: id:A003974
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A003974 Moebius transform of A003962. +0
1
1, 1, 2, 2, 3, 2, 5, 4, 6, 3, 6, 4, 8, 5, 6, 8, 9, 6, 11, 6, 10, 6, 14, 8, 12, 8, 18, 10, 15, 6, 18, 16, 12, 9, 15, 12, 20, 11, 16, 12, 21, 10, 23, 12, 18, 14, 26, 16, 30, 12, 18, 16, 29, 18, 18, 20, 22, 15, 30, 12, 33, 18, 30, 32, 24, 12, 35, 18, 28, 15, 36, 24, 39, 20, 24, 22, 30 (list; graph; listen)
OFFSET

1,3

FORMULA

Multiplicative with a(p^e) = ((q-1)/2)((q+1)/2)^(e-1) where q = nextPrime(p).. - David W. Wilson, Sep 01, 2001

CROSSREFS

Adjacent sequences: A003971 A003972 A003973 this_sequence A003975 A003976 A003977

Sequence in context: A029656 A121306 A073311 this_sequence A065769 A113298 A058705

KEYWORD

nonn,mult

AUTHOR

Marc LeBrun (mlb(AT)well.com)

EXTENSIONS

Corrected and extended by David W. Wilson (davidwwilson(AT)comcast.net), Aug 29 2001

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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