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.

A001838 Numbers k such that phi(k+2) = phi(k) + 2.

Table of values

n a(n)
1 3
2 5
3 6
4 11
5 12
6 14
7 17
8 18
9 20
10 29
11 41
12 44
13 59
14 62
15 71
16 92
17 101
18 107
19 116
20 137
21 149
22 164
23 179
24 191
25 197
26 212
27 227
28 239
29 254
30 269
31 281
32 311
33 332
34 347
35 356
36 419
37 431
38 452
39 461
40 521
41 524
42 569
43 599
44 617
45 641
46 659
47 692
48 716
49 764
50 809
51 821
52 827
53 857
54 881
55 932
56 956

List of values

[3, 5, 6, 11, 12, 14, 17, 18, 20, 29, 41, 44, 59, 62, 71, 92, 101, 107, 116, 137, 149, 164, 179, 191, 197, 212, 227, 239, 254, 269, 281, 311, 332, 347, 356, 419, 431, 452, 461, 521, 524, 569, 599, 617, 641, 659, 692, 716, 764, 809, 821, 827, 857, 881, 932, 956]