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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.

A280077 Partial sums of A007429 (Sum_{d|n} sigma(d)).

Table of values

n a(n)
1 1
2 5
3 10
4 21
5 28
6 48
7 57
8 83
9 101
10 129
11 142
12 197
13 212
14 248
15 283
16 340
17 359
18 431
19 452
20 529
21 574
22 626
23 651
24 781
25 819
26 879
27 937
28 1036
29 1067
30 1207
31 1240
32 1360
33 1425
34 1501
35 1564
36 1762
37 1801
38 1885
39 1960
40 2142
41 2185
42 2365
43 2410
44 2553
45 2679
46 2779
47 2828
48 3113
49 3179

List of values

[1, 5, 10, 21, 28, 48, 57, 83, 101, 129, 142, 197, 212, 248, 283, 340, 359, 431, 452, 529, 574, 626, 651, 781, 819, 879, 937, 1036, 1067, 1207, 1240, 1360, 1425, 1501, 1564, 1762, 1801, 1885, 1960, 2142, 2185, 2365, 2410, 2553, 2679, 2779, 2828, 3113, 3179]

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

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