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.

A110054 Numbers k such that the string 222k is the decimal expansion of a prime number.

Table of values

n a(n)
1 1
2 29
3 47
4 59
5 71
6 73
7 77
8 79
9 83
10 91
11 107
12 109
13 113
14 127
15 137
16 149
17 151
18 161
19 163
20 193
21 197
22 199
23 247
24 269
25 289
26 293
27 311
28 317
29 323
30 329
31 337
32 347
33 349
34 361
35 367
36 379
37 389
38 403
39 419
40 437
41 461
42 493
43 499
44 511
45 527
46 533
47 553
48 557
49 587
50 601
51 613
52 619
53 643
54 647

List of values

[1, 29, 47, 59, 71, 73, 77, 79, 83, 91, 107, 109, 113, 127, 137, 149, 151, 161, 163, 193, 197, 199, 247, 269, 289, 293, 311, 317, 323, 329, 337, 347, 349, 361, 367, 379, 389, 403, 419, 437, 461, 493, 499, 511, 527, 533, 553, 557, 587, 601, 613, 619, 643, 647]