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.

A240679 Primes p such that p*10+k is prime for exactly two values of the digit k.

Table of values

n a(n)
1 2
2 3
3 5
4 17
5 23
6 37
7 59
8 67
9 73
10 97
11 101
12 127
13 149
14 157
15 193
16 197
17 211
18 223
19 229
20 233
21 239
22 241
23 269
24 283
25 331
26 337
27 349
28 353
29 373
30 379
31 401
32 433
33 439
34 463
35 467
36 479
37 487
38 499
39 571
40 607
41 613
42 619
43 631
44 673
45 691
46 701
47 733
48 757
49 769
50 811
51 853
52 859
53 937
54 941

List of values

[2, 3, 5, 17, 23, 37, 59, 67, 73, 97, 101, 127, 149, 157, 193, 197, 211, 223, 229, 233, 239, 241, 269, 283, 331, 337, 349, 353, 373, 379, 401, 433, 439, 463, 467, 479, 487, 499, 571, 607, 613, 619, 631, 673, 691, 701, 733, 757, 769, 811, 853, 859, 937, 941]