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.

A247280 Numbers n for which A242720(n) = prime(n)*(prime(n)+4)+3.

Table of values

n a(n)
1 4
2 6
3 8
4 19
5 50
6 59
7 63
8 65
9 78
10 85
11 93
12 112
13 117
14 143
15 237
16 254
17 264
18 276
19 287
20 303
21 333
22 371
23 380
24 425
25 435
26 440
27 447
28 459
29 483
30 485
31 537
32 612
33 614
34 659
35 731
36 851
37 877
38 920
39 983
40 994
41 1025
42 1080
43 1096
44 1182
45 1358
46 1380
47 1468
48 1476
49 1481
50 1582
51 1628
52 1690

List of values

[4, 6, 8, 19, 50, 59, 63, 65, 78, 85, 93, 112, 117, 143, 237, 254, 264, 276, 287, 303, 333, 371, 380, 425, 435, 440, 447, 459, 483, 485, 537, 612, 614, 659, 731, 851, 877, 920, 983, 994, 1025, 1080, 1096, 1182, 1358, 1380, 1468, 1476, 1481, 1582, 1628, 1690]