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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.

A063872 Let m be the n-th positive integer such that phi(m) is divisible by m - phi(m). Then a(n) = phi(m)/(m - phi(m)).

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 6
6 1
7 2
8 10
9 12
10 1
11 16
12 18
13 22
14 4
15 2
16 28
17 30
18 1
19 36
20 40
21 42
22 46
23 6
24 52
25 58
26 60
27 1
28 66
29 70
30 72
31 78
32 2
33 82
34 88
35 96
36 100
37 102
38 106
39 108
40 112
41 10
42 4
43 126
44 1
45 130
46 136
47 138
48 148
49 150
50 156
51 162
52 166
53 12
54 172
55 178
56 180
57 190
58 192
59 196
60 198
61 210
62 222
63 226
64 228
65 232

List of values

[1, 2, 1, 4, 6, 1, 2, 10, 12, 1, 16, 18, 22, 4, 2, 28, 30, 1, 36, 40, 42, 46, 6, 52, 58, 60, 1, 66, 70, 72, 78, 2, 82, 88, 96, 100, 102, 106, 108, 112, 10, 4, 126, 1, 130, 136, 138, 148, 150, 156, 162, 166, 12, 172, 178, 180, 190, 192, 196, 198, 210, 222, 226, 228, 232]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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