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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.

A369748 a(n) = Sum_{p|n, p prime} prime(n/p).

Table of values

n a(n)
1 0
2 2
3 2
4 3
5 2
6 8
7 2
8 7
9 5
10 14
11 2
12 20
13 2
14 20
15 16
16 19
17 2
18 36
19 2
20 36
21 22
22 34
23 2
24 56
25 11
26 44
27 23
28 50
29 2
30 89
31 2
32 53
33 36
34 62
35 28
36 98
37 2
38 70
39 46
40 90
41 2
42 129
43 2
44 86
45 70
46 86
47 2
48 142
49 17
50 126
51 64
52 108
53 2
54 164
55 42
56 126
57 72
58 112
59 2
60 221
61 2
62 130
63 96
64 131
65 52
66 229
67 2
68 146
69 88
70 221

List of values

[0, 2, 2, 3, 2, 8, 2, 7, 5, 14, 2, 20, 2, 20, 16, 19, 2, 36, 2, 36, 22, 34, 2, 56, 11, 44, 23, 50, 2, 89, 2, 53, 36, 62, 28, 98, 2, 70, 46, 90, 2, 129, 2, 86, 70, 86, 2, 142, 17, 126, 64, 108, 2, 164, 42, 126, 72, 112, 2, 221, 2, 130, 96, 131, 52, 229, 2, 146, 88, 221]

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

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