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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.

A272816 Prime pairs of the form (p, p+20).

Table of values

n a(n)
1 3
2 23
3 11
4 31
5 17
6 37
7 23
8 43
9 41
10 61
11 47
12 67
13 53
14 73
15 59
16 79
17 83
18 103
19 89
20 109
21 107
22 127
23 131
24 151
25 137
26 157
27 173
28 193
29 179
30 199
31 191
32 211
33 251
34 271
35 257
36 277
37 263
38 283
39 293
40 313
41 311
42 331
43 317
44 337
45 347
46 367
47 353
48 373
49 359
50 379
51 389
52 409
53 401
54 421

List of values

[3, 23, 11, 31, 17, 37, 23, 43, 41, 61, 47, 67, 53, 73, 59, 79, 83, 103, 89, 109, 107, 127, 131, 151, 137, 157, 173, 193, 179, 199, 191, 211, 251, 271, 257, 277, 263, 283, 293, 313, 311, 331, 317, 337, 347, 367, 353, 373, 359, 379, 389, 409, 401, 421]