cp's OEIS Frontend

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.

A128920 Sum of all the factors in all the ways to write n as n = x*y*z with 1 <= x <= y <= z <= n.

Table of values

n a(n)
1 3
2 4
3 5
4 11
5 7
6 14
7 9
8 23
9 18
10 20
11 13
12 38
13 15
14 26
15 26
16 46
17 19
18 50
19 21
20 54
21 34
22 38
23 25
24 83
25 38
26 44
27 51
28 70
29 31
30 86
31 33
32 88
33 50
34 56
35 50
36 136
37 39
38 62
39 58
40 119
41 43
42 112
43 45
44 102
45 92
46 74
47 49
48 181
49 66
50 108
51 74
52 118
53 55
54 150
55 74
56 155
57 82
58 92
59 61
60 233
61 63
62 98
63 120
64 185
65 86
66 164
67 69

List of values

[3, 4, 5, 11, 7, 14, 9, 23, 18, 20, 13, 38, 15, 26, 26, 46, 19, 50, 21, 54, 34, 38, 25, 83, 38, 44, 51, 70, 31, 86, 33, 88, 50, 56, 50, 136, 39, 62, 58, 119, 43, 112, 45, 102, 92, 74, 49, 181, 66, 108, 74, 118, 55, 150, 74, 155, 82, 92, 61, 233, 63, 98, 120, 185, 86, 164, 69]