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.

A291989 Smallest number that exceeds n and is divisible by at least one prime factor of n and by at least one prime that does not divide n.

Table of values

n a(n)
2 6
3 6
4 6
5 10
6 10
7 14
8 10
9 12
10 12
11 22
12 14
13 26
14 18
15 18
16 18
17 34
18 20
19 38
20 22
21 24
22 24
23 46
24 26
25 30
26 28
27 30
28 30
29 58
30 33
31 62
32 34
33 36
34 36
35 40
36 38
37 74
38 40
39 42
40 42
41 82
42 44
43 86
44 46
45 48
46 48
47 94
48 50
49 56
50 52
51 54
52 54
53 106
54 56
55 60
56 58
57 60
58 60
59 118
60 62
61 122
62 66
63 66
64 66
65 70
66 68

List of values

[6, 6, 6, 10, 10, 14, 10, 12, 12, 22, 14, 26, 18, 18, 18, 34, 20, 38, 22, 24, 24, 46, 26, 30, 28, 30, 30, 58, 33, 62, 34, 36, 36, 40, 38, 74, 40, 42, 42, 82, 44, 86, 46, 48, 48, 94, 50, 56, 52, 54, 54, 106, 56, 60, 58, 60, 60, 118, 62, 122, 66, 66, 66, 70, 68]