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Search: id:A093774
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| A093774 |
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Smallest integers at which the value of truncated Mertens function equals n!. |
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+0
3
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| 1, 6, 21, 93, 698, 5377, 48198, 483817, 5231438, 61160870
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Observe that magnitude of a(n) is not far from that of (n-1)!.
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FORMULA
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Solutions to Min{x : A088004[x]=n!}, i.e. a(n)=Min{x :A002321(x)+A000720(x)=n!}
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MATHEMATICA
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s = 0; k = 1; Do[ While[s = s + MoebiusMu[k]; s + PrimePi[k] < n!, k++ ]; Print[k]; k++, {n, 10}] (from Robert G. Wilson v Apr 30 2004)
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CROSSREFS
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Cf. A002321, A000720, A088004, A093772, A093773.
Sequence in context: A006359 A001553 A009247 this_sequence A151612 A012773 A012662
Adjacent sequences: A093771 A093772 A093773 this_sequence A093775 A093776 A093777
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Apr 28 2004
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EXTENSIONS
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a(9) & a(10) from Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 30 2004
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