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.

A048989 Numbers k such that pi(k) is prime.

Table of values

n a(n)
1 3
2 4
3 5
4 6
5 11
6 12
7 17
8 18
9 31
10 32
11 33
12 34
13 35
14 36
15 41
16 42
17 59
18 60
19 67
20 68
21 69
22 70
23 83
24 84
25 85
26 86
27 87
28 88
29 109
30 110
31 111
32 112
33 127
34 128
35 129
36 130
37 157
38 158
39 159
40 160
41 161
42 162
43 179
44 180
45 191
46 192
47 211
48 212
49 213
50 214
51 215
52 216
53 217
54 218
55 219

List of values

[3, 4, 5, 6, 11, 12, 17, 18, 31, 32, 33, 34, 35, 36, 41, 42, 59, 60, 67, 68, 69, 70, 83, 84, 85, 86, 87, 88, 109, 110, 111, 112, 127, 128, 129, 130, 157, 158, 159, 160, 161, 162, 179, 180, 191, 192, 211, 212, 213, 214, 215, 216, 217, 218, 219]