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Search: id:A127332
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| 1, 2, 2, 3, 3, 3, 5, 4, 4, 5, 9, 5, 9, 8, 6
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OFFSET
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1,2
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FORMULA
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M * V where M = A126988 as an infinite lower triangular matrix, and V = the Mertens sequence, A002321 as a vector: [1, 0, -1, -1, -2, -1,...].
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EXAMPLE
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a(6) = 3 = 6*1 + 3*0 + 2*(-1) + 0*(-1) + 0*(-2) + 1*(-1), where (6, 3, 2, 0, 0, 1) = row 6 of A126988.
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CROSSREFS
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Cf. A126988.
Sequence in context: A136132 A136545 A125843 this_sequence A087826 A131624 A063905
Adjacent sequences: A127329 A127330 A127331 this_sequence A127333 A127334 A127335
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 10 2007
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