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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.

A352167 a(n) is the sum of the prime factors of n (with multiplicity) that are less than n.

Table of values

n a(n)
1 0
2 0
3 0
4 4
5 0
6 5
7 0
8 6
9 6
10 7
11 0
12 7
13 0
14 9
15 8
16 8
17 0
18 8
19 0
20 9
21 10
22 13
23 0
24 9
25 10
26 15
27 9
28 11
29 0
30 10
31 0
32 10
33 14
34 19
35 12
36 10
37 0
38 21
39 16
40 11
41 0
42 12
43 0
44 15
45 11
46 25
47 0
48 11
49 14
50 12
51 20
52 17
53 0
54 11
55 16
56 13
57 22
58 31
59 0
60 12
61 0
62 33
63 13
64 12
65 18
66 16
67 0
68 21
69 26
70 14
71 0
72 12
73 0
74 39
75 13
76 23
77 18
78 18
79 0
80 13

List of values

[0, 0, 0, 4, 0, 5, 0, 6, 6, 7, 0, 7, 0, 9, 8, 8, 0, 8, 0, 9, 10, 13, 0, 9, 10, 15, 9, 11, 0, 10, 0, 10, 14, 19, 12, 10, 0, 21, 16, 11, 0, 12, 0, 15, 11, 25, 0, 11, 14, 12, 20, 17, 0, 11, 16, 13, 22, 31, 0, 12, 0, 33, 13, 12, 18, 16, 0, 21, 26, 14, 0, 12, 0, 39, 13, 23, 18, 18, 0, 13]

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