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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.

A099043 Sum of badly sieved (A066680) divisors of n.

Table of values

n a(n)
1 0
2 2
3 3
4 2
5 5
6 5
7 7
8 10
9 3
10 7
11 11
12 17
13 13
14 9
15 8
16 10
17 17
18 23
19 19
20 7
21 10
22 13
23 23
24 25
25 5
26 15
27 30
28 9
29 29
30 40
31 31
32 10
33 14
34 19
35 12
36 35
37 37
38 21
39 16
40 15
41 41
42 12
43 43
44 13
45 53
46 25
47 47
48 25
49 7
50 57
51 20
52 15
53 53
54 50
55 16
56 17
57 22
58 31
59 59
60 52
61 61
62 33
63 73
64 10
65 18
66 16
67 67
68 19
69 26
70 84
71 71
72 43
73 73
74 39
75 83

List of values

[0, 2, 3, 2, 5, 5, 7, 10, 3, 7, 11, 17, 13, 9, 8, 10, 17, 23, 19, 7, 10, 13, 23, 25, 5, 15, 30, 9, 29, 40, 31, 10, 14, 19, 12, 35, 37, 21, 16, 15, 41, 12, 43, 13, 53, 25, 47, 25, 7, 57, 20, 15, 53, 50, 16, 17, 22, 31, 59, 52, 61, 33, 73, 10, 18, 16, 67, 19, 26, 84, 71, 43, 73, 39, 83]

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

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