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.

A033947 Smallest primitive root (in absolute value) of n-th prime.

Table of values

n a(n)
1 1
2 -1
3 2
4 -2
5 2
6 2
7 3
8 2
9 -2
10 2
11 3
12 2
13 6
14 3
15 -2
16 2
17 2
18 2
19 2
20 -2
21 5
22 -2
23 2
24 3
25 5
26 2
27 -2
28 2
29 6
30 3
31 3
32 2
33 3
34 2
35 2
36 -5
37 5
38 2
39 -2
40 2
41 2
42 2
43 -2
44 5
45 2
46 -2
47 2
48 3
49 2
50 6
51 3
52 -2
53 7
54 -3
55 3
56 -2
57 2
58 -2
59 5
60 3
61 3
62 2
63 5
64 -2
65 10
66 2
67 3
68 10
69 2
70 2
71 3
72 -2
73 -2
74 2
75 2
76 -2
77 2
78 5
79 3
80 21
81 2
82 2
83 -5
84 5
85 -5
86 2
87 3
88 13
89 2
90 -2

List of values

[1, -1, 2, -2, 2, 2, 3, 2, -2, 2, 3, 2, 6, 3, -2, 2, 2, 2, 2, -2, 5, -2, 2, 3, 5, 2, -2, 2, 6, 3, 3, 2, 3, 2, 2, -5, 5, 2, -2, 2, 2, 2, -2, 5, 2, -2, 2, 3, 2, 6, 3, -2, 7, -3, 3, -2, 2, -2, 5, 3, 3, 2, 5, -2, 10, 2, 3, 10, 2, 2, 3, -2, -2, 2, 2, -2, 2, 5, 3, 21, 2, 2, -5, 5, -5, 2, 3, 13, 2, -2]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.