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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.

A341857 a(n) = psi(n^2)/n, psi = A002322.

Table of values

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

List of values

[1, 1, 2, 1, 4, 1, 6, 2, 6, 2, 10, 1, 12, 3, 4, 4, 16, 3, 18, 1, 2, 5, 22, 2, 20, 6, 18, 3, 28, 2, 30, 8, 10, 8, 12, 3, 36, 9, 4, 2, 40, 1, 42, 5, 12, 11, 46, 4, 42, 10, 16, 3, 52, 9, 4, 6, 6, 14, 58, 1, 60, 15, 6, 16, 12, 5, 66, 4, 22, 6, 70, 6, 72, 18, 20, 9]

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