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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.

A275520 Least k such that n divides d(k^k) (d = A000005, k > 0).

Table of values

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

List of values

[1, 3, 2, 3, 8, 5, 6, 7, 4, 19, 10, 11, 12, 13, 14, 15, 25, 17, 9, 19, 20, 21, 22, 23, 8, 45, 26, 55, 28, 29, 30, 15, 49, 33, 34, 35, 18, 37, 38, 39, 20, 41, 42, 21, 14, 45, 46, 35, 6, 39, 25, 51, 52, 35, 54, 55, 28, 57, 58, 59, 60, 61, 62, 15, 12, 65, 66, 33, 68, 69, 70, 35, 24]

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