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Search: id:A059246
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| A059246 |
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Numerator of Sum_{j=1..n} d(j)/n, where d = number of divisors function (A000005). |
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+0
1
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| 1, 3, 5, 2, 2, 7, 16, 5, 23, 27, 29, 35, 37, 41, 3, 25, 52, 29, 60, 33, 10, 37, 76, 7, 87, 7, 95, 101, 103, 37, 113, 119, 41, 127, 131, 35, 142, 73, 50, 79, 160, 4, 170, 4, 182, 93, 4, 33, 201, 207, 211, 217, 219, 227, 21, 239, 81, 247, 249, 87, 263
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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M. Aigner and G. M. Ziegler, Proofs from The Book, Springer-Verlag, Berlin, 1999; see p. 135.
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EXAMPLE
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1, 3/2, 5/3, 2, 2, 7/3, 16/7, 5/2, 23/9, 27/10, ...
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CROSSREFS
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Cf. A059247.
Sequence in context: A126353 A094791 A115406 this_sequence A091276 A076562 A156060
Adjacent sequences: A059243 A059244 A059245 this_sequence A059247 A059248 A059249
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KEYWORD
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nonn,frac
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jan 21 2001
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