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.

A118721 Chen primes for which the sum of the digits is also a Chen prime.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 23
7 29
8 41
9 47
10 67
11 83
12 89
13 101
14 113
15 131
16 137
17 139
18 157
19 179
20 191
21 197
22 199
23 227
24 263
25 269
26 281
27 311
28 317
29 337
30 353
31 359
32 379
33 401
34 409
35 443
36 449
37 461
38 467
39 487
40 557
41 571
42 577
43 599
44 641
45 647
46 683
47 719
48 751
49 797
50 809
51 821
52 827
53 829
54 863
55 881

List of values

[2, 3, 5, 7, 11, 23, 29, 41, 47, 67, 83, 89, 101, 113, 131, 137, 139, 157, 179, 191, 197, 199, 227, 263, 269, 281, 311, 317, 337, 353, 359, 379, 401, 409, 443, 449, 461, 467, 487, 557, 571, 577, 599, 641, 647, 683, 719, 751, 797, 809, 821, 827, 829, 863, 881]