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.

A239135 Numbers k such that (k-1)*k^2 + 1 and k^2 + (k-1) are both prime.

Table of values

n a(n)
1 2
2 3
3 5
4 6
5 8
6 13
7 21
8 24
9 26
10 28
11 35
12 45
13 48
14 50
15 55
16 76
17 83
18 89
19 93
20 96
21 100
22 101
23 115
24 120
25 138
26 140
27 148
28 149
29 181
30 191
31 195
32 203
33 206
34 209
35 215
36 230
37 258
38 259
39 281
40 285
41 294
42 301
43 309
44 323
45 330
46 349
47 358
48 373
49 380
50 386
51 393
52 395
53 423
54 428
55 433
56 474
57 495

List of values

[2, 3, 5, 6, 8, 13, 21, 24, 26, 28, 35, 45, 48, 50, 55, 76, 83, 89, 93, 96, 100, 101, 115, 120, 138, 140, 148, 149, 181, 191, 195, 203, 206, 209, 215, 230, 258, 259, 281, 285, 294, 301, 309, 323, 330, 349, 358, 373, 380, 386, 393, 395, 423, 428, 433, 474, 495]