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.

A347134 a(n) = Sum_{d|n} phi(n/d) * A069359(d), where phi is Euler totient function.

Table of values

n a(n)
1 0
2 1
3 1
4 3
5 1
6 8
7 1
8 8
9 5
10 12
11 1
12 23
13 1
14 16
15 14
16 20
17 1
18 36
19 1
20 35
21 18
22 24
23 1
24 60
25 9
26 28
27 21
28 47
29 1
30 87
31 1
32 48
33 26
34 36
35 22
36 103
37 1
38 40
39 30
40 92
41 1
42 119
43 1
44 71
45 66
46 48
47 1
48 148
49 13
50 92
51 38
52 83
53 1
54 144
55 30
56 124
57 42
58 60
59 1
60 247
61 1
62 64
63 86
64 112
65 34
66 183
67 1
68 107
69 50
70 183
71 1
72 268
73 1
74 76
75 110
76 119
77 34
78 215
79 1
80 228
81 81
82 84

List of values

[0, 1, 1, 3, 1, 8, 1, 8, 5, 12, 1, 23, 1, 16, 14, 20, 1, 36, 1, 35, 18, 24, 1, 60, 9, 28, 21, 47, 1, 87, 1, 48, 26, 36, 22, 103, 1, 40, 30, 92, 1, 119, 1, 71, 66, 48, 1, 148, 13, 92, 38, 83, 1, 144, 30, 124, 42, 60, 1, 247, 1, 64, 86, 112, 34, 183, 1, 107, 50, 183, 1, 268, 1, 76, 110, 119, 34, 215, 1, 228, 81, 84]