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.

A086172 Numbers n such that n*prime(n)+1 is prime.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 24
6 30
7 36
8 42
9 72
10 84
11 98
12 100
13 116
14 126
15 128
16 144
17 162
18 174
19 206
20 212
21 228
22 288
23 312
24 318
25 324
26 336
27 350
28 360
29 406
30 408
31 416
32 418
33 452
34 458
35 466
36 498
37 510
38 522
39 528
40 530
41 536
42 546
43 548
44 556
45 604
46 654
47 660
48 666
49 682
50 684
51 690
52 708
53 710
54 728
55 738

List of values

[1, 2, 4, 6, 24, 30, 36, 42, 72, 84, 98, 100, 116, 126, 128, 144, 162, 174, 206, 212, 228, 288, 312, 318, 324, 336, 350, 360, 406, 408, 416, 418, 452, 458, 466, 498, 510, 522, 528, 530, 536, 546, 548, 556, 604, 654, 660, 666, 682, 684, 690, 708, 710, 728, 738]