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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.

A217140 a(n) = m/n where m is the least number divisible by n such that phi(m) = phi(m+6n).

Table of values

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

List of values

[24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 60, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36, 24, 24, 24, 24, 36]