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.

A349636 Primes that remain prime when a single "1" digit is inserted between any two adjacent digits.

Table of values

n a(n)
1 13
2 31
3 37
4 67
5 79
6 103
7 109
8 151
9 163
10 181
11 193
12 211
13 241
14 367
15 457
16 547
17 571
18 601
19 613
20 631
21 709
22 787
23 811
24 1117
25 1213
26 1831
27 2017
28 2683
29 3019
30 3319
31 3391
32 3511
33 3517
34 3607
35 4519
36 4999
37 6007
38 6121
39 6151
40 6379
41 6673
42 6871
43 6991
44 8293
45 11119
46 11317
47 11467

List of values

[13, 31, 37, 67, 79, 103, 109, 151, 163, 181, 193, 211, 241, 367, 457, 547, 571, 601, 613, 631, 709, 787, 811, 1117, 1213, 1831, 2017, 2683, 3019, 3319, 3391, 3511, 3517, 3607, 4519, 4999, 6007, 6121, 6151, 6379, 6673, 6871, 6991, 8293, 11119, 11317, 11467]