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.

A272601 Composites n such that p-1 does not divide n-1 for at least one prime divisor of n-1.

Table of values

n a(n)
1 4
2 6
3 8
4 10
5 12
6 14
7 15
8 16
9 18
10 20
11 22
12 24
13 26
14 27
15 28
16 30
17 32
18 34
19 35
20 36
21 38
22 39
23 40
24 42
25 44
26 45
27 46
28 48
29 50
30 51
31 52
32 54
33 56
34 57
35 58
36 60
37 62
38 63
39 64
40 66
41 68
42 69
43 70
44 72
45 74
46 75
47 76
48 77
49 78
50 80
51 82
52 84
53 86
54 87
55 88
56 90
57 91
58 92
59 93
60 94
61 95
62 96
63 98
64 99
65 100
66 102
67 104
68 105
69 106
70 108
71 110
72 111
73 112
74 114
75 115
76 116

List of values

[4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 56, 57, 58, 60, 62, 63, 64, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 82, 84, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 115, 116]