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.

A217072 Numbers k such that (k^19-1)/(k-1) is prime.

Table of values

n a(n)
1 2
2 10
3 11
4 12
5 14
6 19
7 24
8 40
9 45
10 46
11 48
12 65
13 66
14 67
15 75
16 85
17 90
18 103
19 105
20 117
21 119
22 137
23 147
24 164
25 167
26 179
27 181
28 205
29 220
30 235
31 242
32 253
33 254
34 263
35 268
36 277
37 303
38 315
39 332
40 337
41 366
42 369
43 370
44 389
45 399
46 404
47 424
48 431
49 446
50 449
51 480
52 481
53 506
54 509
55 521
56 523

List of values

[2, 10, 11, 12, 14, 19, 24, 40, 45, 46, 48, 65, 66, 67, 75, 85, 90, 103, 105, 117, 119, 137, 147, 164, 167, 179, 181, 205, 220, 235, 242, 253, 254, 263, 268, 277, 303, 315, 332, 337, 366, 369, 370, 389, 399, 404, 424, 431, 446, 449, 480, 481, 506, 509, 521, 523]