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.

A120431 Numbers k such that k and k+2 are prime powers.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 9
7 11
8 17
9 23
10 25
11 27
12 29
13 41
14 47
15 59
16 71
17 79
18 81
19 101
20 107
21 125
22 137
23 149
24 167
25 179
26 191
27 197
28 227
29 239
30 241
31 269
32 281
33 311
34 347
35 359
36 419
37 431
38 461
39 521
40 569
41 599
42 617
43 641
44 659
45 727
46 809
47 821
48 827
49 839
50 857
51 881
52 1019
53 1031
54 1049
55 1061
56 1091

List of values

[1, 2, 3, 5, 7, 9, 11, 17, 23, 25, 27, 29, 41, 47, 59, 71, 79, 81, 101, 107, 125, 137, 149, 167, 179, 191, 197, 227, 239, 241, 269, 281, 311, 347, 359, 419, 431, 461, 521, 569, 599, 617, 641, 659, 727, 809, 821, 827, 839, 857, 881, 1019, 1031, 1049, 1061, 1091]