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.

A103746 Numbers n such that prime(n)*prime(n+1) - 1 is semiprime.

Table of values

n a(n)
1 2
2 3
3 5
4 10
5 13
6 20
7 33
8 60
9 89
10 109
11 116
12 138
13 144
14 152
15 182
16 189
17 212
18 223
19 253
20 258
21 297
22 320
23 336
24 350
25 353
26 375
27 390
28 418
29 422
30 487
31 492
32 498
33 501
34 549
35 567
36 579
37 592
38 616
39 654
40 671
41 704
42 755
43 799
44 800
45 812
46 826
47 874
48 893
49 917
50 921
51 948
52 951
53 957
54 967

List of values

[2, 3, 5, 10, 13, 20, 33, 60, 89, 109, 116, 138, 144, 152, 182, 189, 212, 223, 253, 258, 297, 320, 336, 350, 353, 375, 390, 418, 422, 487, 492, 498, 501, 549, 567, 579, 592, 616, 654, 671, 704, 755, 799, 800, 812, 826, 874, 893, 917, 921, 948, 951, 957, 967]