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A059571 From Mertens's conjecture (1): Floor(sqrt(n)) - |Mertens's function A002321(n)|. +0
4
0, 1, 0, 1, 0, 1, 0, 0, 1, 2, 1, 1, 0, 1, 2, 3, 2, 2, 1, 1, 2, 3, 2, 2, 3, 4, 4, 4, 3, 2, 1, 1, 2, 3, 4, 5, 4, 5, 6, 6, 5, 4, 3, 3, 3, 4, 3, 3, 4, 4, 5, 5, 4, 4, 5, 5, 6, 7, 6, 6, 5, 6, 6, 7, 8, 7, 6, 6, 7, 6, 5, 5, 4, 5, 5, 5, 6, 5, 4, 4, 5, 6, 5, 5, 6, 7, 8, 8, 7, 7, 8, 8, 9 (list; graph; listen)
OFFSET

1,10

COMMENT

Mertens conjectured that |A002321(n)| < sqrt(n) for all n>1. This is now known to be false. So eventually there will be negative terms.

REFERENCES

D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, Section VI.2.

K. H. Rosen et al., eds., Handbook of Discrete and Combinatorial Mathematics, CRC Press, 2000; p. 267.

LINKS

A. M. Odlyzko and H. J. J. te Riele, Disproof of the Mertens conjecture, J. reine angew. Math., 357 (1985), pp. 138-160.

CROSSREFS

Cf. A059572, A002321, A059581.

Sequence in context: A131334 A004602 A153764 this_sequence A027052 A144409 A131257

Adjacent sequences: A059568 A059569 A059570 this_sequence A059572 A059573 A059574

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 16 2001

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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