cp's OEIS Frontend

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.

A227470 Least k such that n divides sigma(n*k).

Table of values

n a(n)
1 1
2 3
3 2
4 3
5 8
6 1
7 4
8 7
9 10
10 4
11 43
12 2
13 9
14 2
15 8
16 21
17 67
18 5
19 37
20 6
21 20
22 43
23 137
24 5
25 149
26 9
27 34
28 1
29 173
30 4
31 16
32 21
33 27
34 64
35 76
36 22
37 73
38 37
39 6
40 3
41 163
42 10
43 257
44 43
45 6
46 137
47 281
48 11
49 52
50 76
51 67
52 45
53 211
54 17
55 109
56 4
57 49
58 173
59 353
60 2
61 169
62 8
63 32
64 93
65 72
66 27
67 401
68 67

List of values

[1, 3, 2, 3, 8, 1, 4, 7, 10, 4, 43, 2, 9, 2, 8, 21, 67, 5, 37, 6, 20, 43, 137, 5, 149, 9, 34, 1, 173, 4, 16, 21, 27, 64, 76, 22, 73, 37, 6, 3, 163, 10, 257, 43, 6, 137, 281, 11, 52, 76, 67, 45, 211, 17, 109, 4, 49, 173, 353, 2, 169, 8, 32, 93, 72, 27, 401, 67]