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.

A230515 Numbers n such that n*(n+1)-1 is a Sophie Germain prime.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 9
6 11
7 15
8 20
9 38
10 39
11 45
12 48
13 50
14 54
15 59
16 93
17 126
18 131
19 144
20 149
21 153
22 174
23 176
24 218
25 231
26 236
27 240
28 246
29 248
30 263
31 285
32 306
33 309
34 330
35 335
36 374
37 380
38 395
39 396
40 401
41 419
42 423
43 449
44 455
45 468
46 471
47 474
48 495
49 501
50 506
51 549
52 551
53 560
54 588

List of values

[2, 3, 5, 6, 9, 11, 15, 20, 38, 39, 45, 48, 50, 54, 59, 93, 126, 131, 144, 149, 153, 174, 176, 218, 231, 236, 240, 246, 248, 263, 285, 306, 309, 330, 335, 374, 380, 395, 396, 401, 419, 423, 449, 455, 468, 471, 474, 495, 501, 506, 549, 551, 560, 588]