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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.

A207526 Primes p such that p-2 or p+2 are semiprimes.

Table of values

n a(n)
1 2
2 7
3 11
4 13
5 17
6 19
7 23
8 31
9 37
10 41
11 47
12 53
13 59
14 67
15 71
16 79
17 83
18 89
19 97
20 109
21 113
22 127
23 131
24 139
25 157
26 163
27 167
28 179
29 181
30 199
31 211
32 223
33 233
34 239
35 251
36 257
37 263
38 269
39 293
40 307
41 311
42 317
43 331
44 337
45 353
46 359
47 367
48 373
49 379
50 383
51 389
52 397
53 401
54 409
55 419
56 439

List of values

[2, 7, 11, 13, 17, 19, 23, 31, 37, 41, 47, 53, 59, 67, 71, 79, 83, 89, 97, 109, 113, 127, 131, 139, 157, 163, 167, 179, 181, 199, 211, 223, 233, 239, 251, 257, 263, 269, 293, 307, 311, 317, 331, 337, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 439]