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Search: id:A099739
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| A099739 |
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Sum_{k=1..n} k!*mu(k), where mu() is the Moebius function. |
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1
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| 1, -1, -7, -7, -127, 593, -4447, -4447, -4447, 3624353, -36292447, -36292447, -6263313247, 80914977953, 1388589345953, 1388589345953, -354298838750047, -354298838750047, -121999399247582047, -121999399247582047
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OFFSET
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1,3
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MATHEMATICA
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f[n_] := Sum[k!MoebiusMu[k], {k, n}]; Table[ f[n], {n, 20}] (from Robert G. Wilson v Nov 12 2004)
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CROSSREFS
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Sequence in context: A065240 A072399 A001988 this_sequence A048430 A088396 A093828
Adjacent sequences: A099736 A099737 A099738 this_sequence A099740 A099741 A099742
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KEYWORD
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sign
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AUTHOR
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Leroy Quet (qq-quet(AT)mindspring.com), Nov 09 2004
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 12 2004
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