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.

A364877 Numbers k such that 2*pi(k) + k is a prime number.

Table of values

n a(n)
1 3
2 5
3 9
4 17
5 21
6 23
7 25
8 31
9 37
10 41
11 43
12 45
13 49
14 57
15 61
16 65
17 69
18 85
19 89
20 91
21 99
22 103
23 107
24 109
25 113
26 119
27 121
28 129
29 133
30 135
31 143
32 151
33 155
34 159
35 163
36 165
37 177
38 185
39 187
40 191
41 193
42 195
43 201
44 213
45 217
46 219
47 231
48 235
49 241
50 243
51 247
52 251
53 257
54 267
55 269
56 273
57 279

List of values

[3, 5, 9, 17, 21, 23, 25, 31, 37, 41, 43, 45, 49, 57, 61, 65, 69, 85, 89, 91, 99, 103, 107, 109, 113, 119, 121, 129, 133, 135, 143, 151, 155, 159, 163, 165, 177, 185, 187, 191, 193, 195, 201, 213, 217, 219, 231, 235, 241, 243, 247, 251, 257, 267, 269, 273, 279]