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Search: id:A003976
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| A003976 |
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Moebius transform of A003963 (with alternate 0's omitted). |
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+0
1
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| 1, 1, 2, 3, 2, 4, 5, 2, 6, 7, 3, 8, 6, 4, 9, 10, 4, 6, 11, 5, 12, 13, 4, 14, 12, 6, 15, 8, 7, 16, 17, 6, 10, 18, 8, 19, 20, 6, 12, 21, 8, 22, 12, 9, 23, 15, 10, 14, 24, 8, 25, 26, 6, 27, 28, 11, 29, 16, 10, 18, 20, 12, 18, 30, 13, 31, 21, 8, 32, 33, 14, 20, 18, 12, 34, 35, 12, 20
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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N. J. A. Sloane, Transforms
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FORMULA
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Multiplicative with a(p^e) = (q-1)q^(e-1) where q = pi(p) = A000720(p). - David W. Wilson, Sep 01, 2001
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EXAMPLE
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The Moebius transform begins 1,0,1,0,2,0,3,0,2,0,4,0,5,0,2,0,6,0,7,0,...
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CROSSREFS
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Cf. A003963.
Sequence in context: A027749 A029638 A136181 this_sequence A026358 A119465 A090321
Adjacent sequences: A003973 A003974 A003975 this_sequence A003977 A003978 A003979
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KEYWORD
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nonn,easy
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AUTHOR
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Marc LeBrun (mlb(AT)well.com)
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EXTENSIONS
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More terms from David W. Wilson (davidwwilson(AT)comcast.net), Aug 29 2001
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