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Search: id:A093775
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| A093775 |
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Smallest integers at which the value of truncated Mertens function equals the n-th primorial, the product of first n prime numbers. |
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+0
2
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OFFSET
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1,1
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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)=A002110[n]}
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MATHEMATICA
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pri[x_] :=pri[x-1]*Prime[x]; pri[0]=1; s = 0; k = 1; Do[ While[s = s + MoebiusMu[k]; s + PrimePi[k] < pri[n], k++ ]; Print[k]; k++, {n, 10}]
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CROSSREFS
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Cf. A002321, A000720, A088004, A093772, A093773, A002110, A093774.
Sequence in context: A013320 A056308 A081077 this_sequence A058821 A054366 A007594
Adjacent sequences: A093772 A093773 A093774 this_sequence A093776 A093777 A093778
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KEYWORD
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hard,more,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), May 03 2004
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