|
| |
|
|
A059246
|
|
Numerator of Sum_{j=1..n} d(j)/n, where d = number of divisors function (A000005).
|
|
0
| |
|
|
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; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
REFERENCES
| M. Aigner and G. M. Ziegler, Proofs from The Book, Springer-Verlag, Berlin, 1999; see p. 135.
|
|
|
EXAMPLE
| 1, 3/2, 5/3, 2, 2, 7/3, 16/7, 5/2, 23/9, 27/10, ...
|
|
|
CROSSREFS
| Cf. A059247.
Sequence in context: A126353 A094791 A115406 * A091276 A076562 A057673
Adjacent sequences: A059243 A059244 A059245 * A059247 A059248 A059249
|
|
|
KEYWORD
| nonn,frac
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jan 21 2001
|
| |
|
|
