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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.

A372679 a(n) = phi(15 * n)/8.

Table of values

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

List of values

[1, 1, 3, 2, 5, 3, 6, 4, 9, 5, 10, 6, 12, 6, 15, 8, 16, 9, 18, 10, 18, 10, 22, 12, 25, 12, 27, 12, 28, 15, 30, 16, 30, 16, 30, 18, 36, 18, 36, 20, 40, 18, 42, 20, 45, 22, 46, 24, 42, 25, 48, 24, 52, 27, 50, 24, 54, 28, 58, 30, 60, 30, 54, 32, 60, 30, 66, 32, 66, 30, 70, 36, 72, 36, 75, 36, 60, 36]

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