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.

A347129 a(n) = A347130(n) / A003557(n), where A347130 is the Dirichlet convolution of the identity function with the arithmetic derivative of n.

Table of values

n a(n)
1 0
2 1
3 1
4 3
5 1
6 10
7 1
8 6
9 3
10 14
11 1
12 24
13 1
14 18
15 16
16 10
17 1
18 21
19 1
20 36
21 20
22 26
23 1
24 44
25 3
26 30
27 6
28 48
29 1
30 124
31 1
32 15
33 28
34 38
35 24
36 45
37 1
38 42
39 32
40 68
41 1
42 164
43 1
44 72
45 39
46 50
47 1
48 70
49 3
50 27
51 40
52 84
53 1
54 36
55 32
56 92
57 44
58 62
59 1
60 276
61 1
62 66
63 51
64 21
65 36
66 244
67 1
68 108
69 52
70 236
71 1
72 78
73 1
74 78
75 33
76 120
77 36
78 284
79 1
80 110
81 10
82 86
83 1
84 372
85 44

List of values

[0, 1, 1, 3, 1, 10, 1, 6, 3, 14, 1, 24, 1, 18, 16, 10, 1, 21, 1, 36, 20, 26, 1, 44, 3, 30, 6, 48, 1, 124, 1, 15, 28, 38, 24, 45, 1, 42, 32, 68, 1, 164, 1, 72, 39, 50, 1, 70, 3, 27, 40, 84, 1, 36, 32, 92, 44, 62, 1, 276, 1, 66, 51, 21, 36, 244, 1, 108, 52, 236, 1, 78, 1, 78, 33, 120, 36, 284, 1, 110, 10, 86, 1, 372, 44]