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.

A100317 Numbers k such that exactly one of k - 1 and k + 1 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 8
5 10
6 14
7 16
8 20
9 22
10 24
11 28
12 32
13 36
14 38
15 40
16 44
17 46
18 48
19 52
20 54
21 58
22 62
23 66
24 68
25 70
26 74
27 78
28 80
29 82
30 84
31 88
32 90
33 96
34 98
35 100
36 104
37 106
38 110
39 112
40 114
41 126
42 128
43 130
44 132
45 136
46 140
47 148
48 152
49 156
50 158
51 162
52 164
53 166
54 168
55 172
56 174
57 178
58 182
59 190
60 194
61 196
62 200

List of values

[1, 2, 3, 8, 10, 14, 16, 20, 22, 24, 28, 32, 36, 38, 40, 44, 46, 48, 52, 54, 58, 62, 66, 68, 70, 74, 78, 80, 82, 84, 88, 90, 96, 98, 100, 104, 106, 110, 112, 114, 126, 128, 130, 132, 136, 140, 148, 152, 156, 158, 162, 164, 166, 168, 172, 174, 178, 182, 190, 194, 196, 200]

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

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