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.

A188549 Numbers k such that 8*k^2+1 is a prime.

Table of values

n a(n)
1 3
2 12
3 15
4 18
5 21
6 33
7 36
8 48
9 51
10 66
11 78
12 81
13 93
14 102
15 114
16 120
17 132
18 150
19 153
20 162
21 180
22 183
23 213
24 225
25 228
26 231
27 234
28 237
29 243
30 246
31 252
32 279
33 282
34 285
35 294
36 303
37 318
38 324
39 333
40 375
41 378
42 381
43 384
44 393
45 396
46 399
47 417
48 432
49 450
50 459
51 468
52 480
53 489
54 495
55 510

List of values

[3, 12, 15, 18, 21, 33, 36, 48, 51, 66, 78, 81, 93, 102, 114, 120, 132, 150, 153, 162, 180, 183, 213, 225, 228, 231, 234, 237, 243, 246, 252, 279, 282, 285, 294, 303, 318, 324, 333, 375, 378, 381, 384, 393, 396, 399, 417, 432, 450, 459, 468, 480, 489, 495, 510]