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.

A219429 Highest prime primitive root (less than p) for the n-th prime p. (or 0 if none exists).

Table of values

n a(n)
1 0
2 2
3 3
4 5
5 7
6 11
7 11
8 13
9 19
10 19
11 17
12 19
13 29
14 29
15 43
16 41
17 47
18 59
19 61
20 67
21 59
22 59
23 79
24 83
25 83
26 89
27 101
28 103
29 103
30 107
31 109
32 127
33 131
34 109
35 139
36 109
37 151
38 149
39 163
40 131
41 167
42 179
43 181
44 167
45 179
46 197
47 191
48 173
49 223
50 223
51 227
52 227
53 227
54 239
55 251
56 257
57 257

List of values

[0, 2, 3, 5, 7, 11, 11, 13, 19, 19, 17, 19, 29, 29, 43, 41, 47, 59, 61, 67, 59, 59, 79, 83, 83, 89, 101, 103, 103, 107, 109, 127, 131, 109, 139, 109, 151, 149, 163, 131, 167, 179, 181, 167, 179, 197, 191, 173, 223, 223, 227, 227, 227, 239, 251, 257, 257]