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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.

A060872 Sum of d*d' over all unordered pairs (d,d') with d*d' = n.

Table of values

n a(n)
1 1
2 2
3 3
4 8
5 5
6 12
7 7
8 16
9 18
10 20
11 11
12 36
13 13
14 28
15 30
16 48
17 17
18 54
19 19
20 60
21 42
22 44
23 23
24 96
25 50
26 52
27 54
28 84
29 29
30 120
31 31
32 96
33 66
34 68
35 70
36 180
37 37
38 76
39 78
40 160
41 41
42 168
43 43
44 132
45 135
46 92
47 47
48 240
49 98
50 150
51 102
52 156
53 53
54 216
55 110
56 224
57 114
58 116
59 59
60 360
61 61
62 124
63 189
64 256

List of values

[1, 2, 3, 8, 5, 12, 7, 16, 18, 20, 11, 36, 13, 28, 30, 48, 17, 54, 19, 60, 42, 44, 23, 96, 50, 52, 54, 84, 29, 120, 31, 96, 66, 68, 70, 180, 37, 76, 78, 160, 41, 168, 43, 132, 135, 92, 47, 240, 98, 150, 102, 156, 53, 216, 110, 224, 114, 116, 59, 360, 61, 124, 189, 256]

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

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