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Search: id:A080848
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A080848 (mu(n)+2)*n, where mu is the Moebius function (A008683). +0
3
3, 2, 3, 8, 5, 18, 7, 16, 18, 30, 11, 24, 13, 42, 45, 32, 17, 36, 19, 40, 63, 66, 23, 48, 50, 78, 54, 56, 29, 30, 31, 64, 99, 102, 105, 72, 37, 114, 117, 80, 41, 42, 43, 88, 90, 138, 47, 96, 98, 100, 153, 104, 53, 108, 165, 112, 171, 174, 59, 120, 61, 186, 126, 128, 195, 66 (list; graph; listen)
OFFSET

1,1

COMMENT

n <= a(n) <= 3*n.

CROSSREFS

Cf. A080847, A080849.

Sequence in context: A073341 A070982 A123649 this_sequence A016602 A131134 A151690

Adjacent sequences: A080845 A080846 A080847 this_sequence A080849 A080850 A080851

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 20 2003

page 1

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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