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.

A290435 Semiprimes of the form pq where p < q and p+q+1 is prime.

Table of values

n a(n)
1 21
2 35
3 39
4 55
5 57
6 65
7 77
8 85
9 111
10 115
11 129
12 155
13 161
14 185
15 187
16 201
17 203
18 205
19 209
20 221
21 235
22 237
23 265
24 291
25 299
26 305
27 309
28 319
29 323
30 327
31 335
32 341
33 365
34 371
35 377
36 381
37 391
38 413
39 415
40 437
41 451
42 485
43 489
44 493
45 497
46 505
47 515
48 517
49 535
50 579
51 611
52 623
53 649
54 655

List of values

[21, 35, 39, 55, 57, 65, 77, 85, 111, 115, 129, 155, 161, 185, 187, 201, 203, 205, 209, 221, 235, 237, 265, 291, 299, 305, 309, 319, 323, 327, 335, 341, 365, 371, 377, 381, 391, 413, 415, 437, 451, 485, 489, 493, 497, 505, 515, 517, 535, 579, 611, 623, 649, 655]