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.

A293271 Numbers n such that n - p and n + p are both prime for some prime p.

Table of values

n a(n)
1 5
2 8
3 9
4 10
5 12
6 14
7 15
8 16
9 18
10 20
11 21
12 22
13 24
14 26
15 30
16 32
17 34
18 36
19 39
20 40
21 42
22 44
23 45
24 46
25 48
26 50
27 54
28 56
29 60
30 64
31 66
32 69
33 70
34 72
35 76
36 78
37 81
38 84
39 86
40 90
41 92
42 96
43 99
44 100
45 102
46 104
47 105
48 106
49 108
50 110
51 111
52 114
53 116
54 120
55 126
56 129
57 130
58 132
59 134
60 138
61 140
62 142

List of values

[5, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 30, 32, 34, 36, 39, 40, 42, 44, 45, 46, 48, 50, 54, 56, 60, 64, 66, 69, 70, 72, 76, 78, 81, 84, 86, 90, 92, 96, 99, 100, 102, 104, 105, 106, 108, 110, 111, 114, 116, 120, 126, 129, 130, 132, 134, 138, 140, 142]

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

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