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.

A123017 Semiprimes k such that k+3 is also a semiprime.

Table of values

n a(n)
1 6
2 22
3 35
4 46
5 55
6 62
7 74
8 82
9 91
10 115
11 118
12 119
13 142
14 143
15 155
16 158
17 166
18 202
19 203
20 206
21 214
22 215
23 218
24 259
25 262
26 295
27 298
28 299
29 302
30 323
31 326
32 355
33 358
34 362
35 391
36 395
37 451
38 466
39 478
40 482
41 502
42 511
43 514
44 526
45 535
46 542
47 551
48 559
49 562
50 583
51 586
52 611
53 623
54 626

List of values

[6, 22, 35, 46, 55, 62, 74, 82, 91, 115, 118, 119, 142, 143, 155, 158, 166, 202, 203, 206, 214, 215, 218, 259, 262, 295, 298, 299, 302, 323, 326, 355, 358, 362, 391, 395, 451, 466, 478, 482, 502, 511, 514, 526, 535, 542, 551, 559, 562, 583, 586, 611, 623, 626]