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.

A135323 a(1)=1, a(n) = Sum_{p=prime, p|n} a(n/p)*p.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 12
7 7
8 8
9 9
10 20
11 11
12 36
13 13
14 28
15 30
16 16
17 17
18 54
19 19
20 60
21 42
22 44
23 23
24 96
25 25
26 52
27 27
28 84
29 29
30 180
31 31
32 32
33 66
34 68
35 70
36 216
37 37
38 76
39 78
40 160
41 41
42 252
43 43
44 132
45 135
46 92
47 47
48 240
49 49
50 150
51 102
52 156
53 53
54 216
55 110
56 224
57 114
58 116
59 59
60 720
61 61
62 124
63 189
64 64
65 130
66 396

List of values

[1, 2, 3, 4, 5, 12, 7, 8, 9, 20, 11, 36, 13, 28, 30, 16, 17, 54, 19, 60, 42, 44, 23, 96, 25, 52, 27, 84, 29, 180, 31, 32, 66, 68, 70, 216, 37, 76, 78, 160, 41, 252, 43, 132, 135, 92, 47, 240, 49, 150, 102, 156, 53, 216, 110, 224, 114, 116, 59, 720, 61, 124, 189, 64, 130, 396]