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.

A065042 Numbers k such that prime(k) + pi(k) is a prime.

Table of values

n a(n)
1 1
2 3
3 8
4 13
5 15
6 16
7 20
8 39
9 45
10 53
11 62
12 65
13 71
14 72
15 80
16 82
17 90
18 91
19 92
20 95
21 113
22 115
23 117
24 118
25 119
26 121
27 143
28 145
29 147
30 153
31 156
32 164
33 166
34 177
35 181
36 186
37 189
38 190
39 195
40 196
41 202
42 203
43 224
44 254
45 255
46 265
47 268
48 273
49 294
50 296
51 319
52 322
53 323
54 328
55 329
56 338
57 343

List of values

[1, 3, 8, 13, 15, 16, 20, 39, 45, 53, 62, 65, 71, 72, 80, 82, 90, 91, 92, 95, 113, 115, 117, 118, 119, 121, 143, 145, 147, 153, 156, 164, 166, 177, 181, 186, 189, 190, 195, 196, 202, 203, 224, 254, 255, 265, 268, 273, 294, 296, 319, 322, 323, 328, 329, 338, 343]