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A091555
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Partial sums of Mertens's function (A002321).
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2
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1, 1, 0, -1, -3, -4, -6, -8, -10, -11, -13, -15, -18, -20, -21, -22, -24, -26, -29, -32, -34, -35, -37, -39, -41, -42, -43, -44, -46, -49, -53, -57, -60, -62, -63, -64, -66, -67, -67, -67, -68, -70, -73, -76, -79, -81, -84, -87, -90, -93, -95, -97, -100, -103, -105, -107
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OFFSET
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1,5
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LINKS
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FORMULA
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MATHEMATICA
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Table[Sum[MoebiusMu[k] (n - k + 1), {k, 1, n}], {n , 1, 56}] (* Indranil Ghosh, Mar 16 2017 *)
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PROG
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(PARI) for(n=1, 56, print1(sum(k=1, n, moebius(k) * (n - k + 1)), ", ")) \\ Indranil Ghosh, Mar 16 2017
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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