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.

A120628 Primes such that their double is 1 away from a prime number.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 19
7 23
8 29
9 31
10 37
11 41
12 53
13 79
14 83
15 89
16 97
17 113
18 131
19 139
20 157
21 173
22 179
23 191
24 199
25 211
26 229
27 233
28 239
29 251
30 271
31 281
32 293
33 307
34 331
35 337
36 359
37 367
38 379
39 419
40 431
41 439
42 443
43 491
44 499
45 509
46 547
47 577
48 593
49 601
50 607
51 619
52 641
53 653
54 659
55 661
56 683

List of values

[2, 3, 5, 7, 11, 19, 23, 29, 31, 37, 41, 53, 79, 83, 89, 97, 113, 131, 139, 157, 173, 179, 191, 199, 211, 229, 233, 239, 251, 271, 281, 293, 307, 331, 337, 359, 367, 379, 419, 431, 439, 443, 491, 499, 509, 547, 577, 593, 601, 607, 619, 641, 653, 659, 661, 683]