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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.

A234095 Primes p such that 2*p + 1 is semiprime.

Table of values

n a(n)
1 7
2 17
3 19
4 43
5 47
6 59
7 61
8 71
9 79
10 101
11 107
12 109
13 149
14 151
15 163
16 167
17 197
18 223
19 257
20 263
21 271
22 311
23 317
24 347
25 349
26 353
27 383
28 389
29 401
30 421
31 439
32 449
33 461
34 479
35 503
36 521
37 523
38 557
39 569
40 599
41 601
42 613
43 631
44 673
45 677
46 691
47 701
48 811
49 821
50 827
51 839
52 853
53 863
54 881

List of values

[7, 17, 19, 43, 47, 59, 61, 71, 79, 101, 107, 109, 149, 151, 163, 167, 197, 223, 257, 263, 271, 311, 317, 347, 349, 353, 383, 389, 401, 421, 439, 449, 461, 479, 503, 521, 523, 557, 569, 599, 601, 613, 631, 673, 677, 691, 701, 811, 821, 827, 839, 853, 863, 881]