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.

A370745 Numbers k that have at least one divisor d such that p = k/d-1 is prime and (2*d)|(p-1).

Table of values

n a(n)
1 4
2 6
3 8
4 12
5 14
6 18
7 20
8 24
9 28
10 30
11 32
12 36
13 38
14 42
15 44
16 48
17 54
18 60
19 62
20 68
21 72
22 74
23 76
24 80
25 84
26 90
27 96
28 98
29 102
30 104
31 108
32 110
33 114
34 124
35 128
36 132
37 138
38 140
39 144
40 148
41 150
42 152
43 158
44 160
45 164
46 168
47 174
48 180
49 182
50 186
51 192
52 194
53 196
54 198
55 200
56 204
57 210
58 212
59 220

List of values

[4, 6, 8, 12, 14, 18, 20, 24, 28, 30, 32, 36, 38, 42, 44, 48, 54, 60, 62, 68, 72, 74, 76, 80, 84, 90, 96, 98, 102, 104, 108, 110, 114, 124, 128, 132, 138, 140, 144, 148, 150, 152, 158, 160, 164, 168, 174, 180, 182, 186, 192, 194, 196, 198, 200, 204, 210, 212, 220]

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

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