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Search: id:A062004
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| 2, -4, -6, 0, -10, 12, -14, 0, 0, 20, -22, 0, -26, 28, 30, 0, -34, 0, -38, 0, 42, 44, -46, 0, 0, 52, 0, 0, -58, -60, -62, 0, 66, 68, 70, 0, -74, 76, 78, 0, -82, -84, -86, 0, 0, 92, -94, 0, 0, 0, 102, 0, -106, 0, 110, 0, 114, 116, -118, 0, -122, 124, 0, 0, 130, -132, -134, 0, 138, -140, -142, 0, -146, 148, 0, 0, 154, -156, -158, 0
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(n)/2 is multiplicative because both mu(n) and n are. Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu) Jun 09, 2005.
b(n) = a(n)/a(1) is multiplicative with b(p^1) = -p, b(p^e) = 0 if e > 1. David W. Wilson (davidwwilson(AT)comcast.net) Jun 12, 2005.
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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PROGRAM
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(PARI) q=[]; for(n=1, 200, q=concat(q, moebius(n)*(2*n))); q
(PARI) { for (n=1, 1000, write("b062004.txt", n, " ", 2*n*moebius(n)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 29 2009]
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CROSSREFS
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Sequence in context: A004518 A013670 A121206 this_sequence A009285 A013082 A125944
Adjacent sequences: A062001 A062002 A062003 this_sequence A062005 A062006 A062007
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KEYWORD
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easy,sign
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jul 04 2001
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