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.

A174801 Prime(n)+1 is prime or semiprime.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 12
6 18
7 21
8 37
9 44
10 59
11 65
12 78
13 82
14 88
15 100
16 112
17 121
18 122
19 130
20 134
21 151
22 168
23 183
24 191
25 197
26 198
27 203
28 216
29 221
30 231
31 257
32 260
33 273
34 287
35 295
36 301
37 306
38 322
39 347
40 366
41 375
42 378
43 407
44 415
45 422
46 438
47 455
48 459
49 466
50 491
51 521
52 556
53 560
54 574
55 585
56 587

List of values

[1, 2, 3, 6, 12, 18, 21, 37, 44, 59, 65, 78, 82, 88, 100, 112, 121, 122, 130, 134, 151, 168, 183, 191, 197, 198, 203, 216, 221, 231, 257, 260, 273, 287, 295, 301, 306, 322, 347, 366, 375, 378, 407, 415, 422, 438, 455, 459, 466, 491, 521, 556, 560, 574, 585, 587]