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.

A124204 Numbers k such that 20*k + 1 is prime.

Table of values

n a(n)
1 2
2 3
3 5
4 9
5 12
6 14
7 20
8 21
9 23
10 26
11 27
12 30
13 32
14 33
15 35
16 38
17 41
18 44
19 47
20 51
21 53
22 59
23 60
24 65
25 66
26 68
27 69
28 74
29 80
30 81
31 86
32 87
33 90
34 93
35 95
36 104
37 107
38 108
39 111
40 114
41 117
42 119
43 122
44 126
45 131
46 137
47 140
48 143
49 150
50 152
51 153
52 156
53 159
54 161
55 165
56 168
57 173
58 177
59 179
60 185
61 188
62 191

List of values

[2, 3, 5, 9, 12, 14, 20, 21, 23, 26, 27, 30, 32, 33, 35, 38, 41, 44, 47, 51, 53, 59, 60, 65, 66, 68, 69, 74, 80, 81, 86, 87, 90, 93, 95, 104, 107, 108, 111, 114, 117, 119, 122, 126, 131, 137, 140, 143, 150, 152, 153, 156, 159, 161, 165, 168, 173, 177, 179, 185, 188, 191]