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.

A067812 Nonprime n such that 2n+1 is prime.

Table of values

n a(n)
1 1
2 6
3 8
4 9
5 14
6 15
7 18
8 20
9 21
10 26
11 30
12 33
13 35
14 36
15 39
16 44
17 48
18 50
19 51
20 54
21 56
22 63
23 65
24 68
25 69
26 74
27 75
28 78
29 81
30 86
31 90
32 95
33 96
34 98
35 99
36 105
37 111
38 114
39 116
40 119
41 120
42 125
43 128
44 134
45 135
46 138
47 140
48 141
49 146
50 153
51 155
52 156
53 158
54 165
55 168
56 174
57 176
58 183
59 186
60 189
61 194

List of values

[1, 6, 8, 9, 14, 15, 18, 20, 21, 26, 30, 33, 35, 36, 39, 44, 48, 50, 51, 54, 56, 63, 65, 68, 69, 74, 75, 78, 81, 86, 90, 95, 96, 98, 99, 105, 111, 114, 116, 119, 120, 125, 128, 134, 135, 138, 140, 141, 146, 153, 155, 156, 158, 165, 168, 174, 176, 183, 186, 189, 194]