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.

A054211 Numbers k such that k concatenated with k-1 is prime.

Table of values

n a(n)
1 4
2 10
3 22
4 24
5 34
6 42
7 58
8 70
9 78
10 88
11 100
12 102
13 108
14 112
15 114
16 124
17 148
18 154
19 160
20 172
21 180
22 192
23 198
24 202
25 208
26 210
27 214
28 238
29 244
30 262
31 264
32 268
33 270
34 282
35 294
36 300
37 304
38 312
39 328
40 330
41 334
42 340
43 342
44 354
45 372
46 384
47 390
48 394
49 412
50 414
51 420
52 424
53 444
54 454

List of values

[4, 10, 22, 24, 34, 42, 58, 70, 78, 88, 100, 102, 108, 112, 114, 124, 148, 154, 160, 172, 180, 192, 198, 202, 208, 210, 214, 238, 244, 262, 264, 268, 270, 282, 294, 300, 304, 312, 328, 330, 334, 340, 342, 354, 372, 384, 390, 394, 412, 414, 420, 424, 444, 454]