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.

A283970 Integers m such that m divides sigma_2(m) - k where k is some divisor of m.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 9
9 10
10 11
11 12
12 13
13 15
14 17
15 19
16 23
17 25
18 29
19 30
20 31
21 35
22 36
23 37
24 40
25 41
26 43
27 47
28 48
29 49
30 50
31 53
32 59
33 60
34 61
35 65
36 67
37 71
38 73
39 76
40 79
41 83
42 89
43 97
44 101
45 103
46 107
47 109
48 113
49 120
50 121
51 127
52 130
53 131
54 132
55 136
56 137
57 139
58 140
59 149
60 150
61 151
62 157
63 163
64 167
65 169
66 173
67 175
68 179
69 180

List of values

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 15, 17, 19, 23, 25, 29, 30, 31, 35, 36, 37, 40, 41, 43, 47, 48, 49, 50, 53, 59, 60, 61, 65, 67, 71, 73, 76, 79, 83, 89, 97, 101, 103, 107, 109, 113, 120, 121, 127, 130, 131, 132, 136, 137, 139, 140, 149, 150, 151, 157, 163, 167, 169, 173, 175, 179, 180]

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

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