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.

A034594 Concatenation of nextprime(a(n)) and a(n) is a prime.

Table of values

n a(n)
1 3
2 27
3 33
4 39
5 47
6 51
7 53
8 61
9 63
10 91
11 111
12 123
13 129
14 131
15 143
16 173
17 189
18 199
19 211
20 217
21 219
22 231
23 233
24 237
25 257
26 273
27 279
28 301
29 319
30 341
31 353
32 357
33 417
34 423
35 429
36 473
37 481
38 489
39 493
40 501
41 519
42 523
43 529
44 531
45 537
46 551
47 561
48 573
49 579
50 587
51 597
52 607
53 609
54 619

List of values

[3, 27, 33, 39, 47, 51, 53, 61, 63, 91, 111, 123, 129, 131, 143, 173, 189, 199, 211, 217, 219, 231, 233, 237, 257, 273, 279, 301, 319, 341, 353, 357, 417, 423, 429, 473, 481, 489, 493, 501, 519, 523, 529, 531, 537, 551, 561, 573, 579, 587, 597, 607, 609, 619]