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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A379583 Numerators of the partial sums of the reciprocals of the powerful part function (A057521).

Table of values

n a(n)
1 1
2 2
3 3
4 13
5 17
6 21
7 25
8 51
9 467
10 539
11 611
12 629
13 701
14 773
15 845
16 1699
17 1843
18 1859
19 2003
20 2039
21 2183
22 2327
23 2471
24 2489
25 62369
26 65969
27 198307
28 201007
29 211807
30 222607
31 233407
32 467489
33 489089
34 510689
35 532289
36 532889
37 554489
38 576089
39 597689
40 600389
41 621989
42 643589
43 665189

List of values

[1, 2, 3, 13, 17, 21, 25, 51, 467, 539, 611, 629, 701, 773, 845, 1699, 1843, 1859, 2003, 2039, 2183, 2327, 2471, 2489, 62369, 65969, 198307, 201007, 211807, 222607, 233407, 467489, 489089, 510689, 532289, 532889, 554489, 576089, 597689, 600389, 621989, 643589, 665189]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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