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.

A053989 Smallest k such that nk-1 is prime.

Table of values

n a(n)
1 3
2 2
3 1
4 1
5 4
6 1
7 2
8 1
9 2
10 2
11 4
12 1
13 8
14 1
15 2
16 2
17 4
18 1
19 2
20 1
21 2
22 2
23 6
24 1
25 6
26 4
27 2
28 3
29 6
30 1
31 2
32 1
33 4
34 2
35 4
36 2
37 2
38 1
39 6
40 2
41 4
42 1
43 6
44 1
45 2
46 3
47 6
48 1
49 2
50 3
51 2
52 2
53 4
54 1
55 2
56 3
57 2
58 3
59 6
60 1
61 8
62 1
63 4
64 2
65 6
66 2
67 6
68 1
69 2
70 2
71 4
72 1
73 14
74 1
75 2
76 2
77 4
78 3
79 2
80 1
81 8
82 2
83 4
84 1
85 6
86 3
87 2
88 3
89 16
90 1
91 2
92 4
93 6
94 3
95 4
96 2
97 2
98 1
99 2
100 2

List of values

[3, 2, 1, 1, 4, 1, 2, 1, 2, 2, 4, 1, 8, 1, 2, 2, 4, 1, 2, 1, 2, 2, 6, 1, 6, 4, 2, 3, 6, 1, 2, 1, 4, 2, 4, 2, 2, 1, 6, 2, 4, 1, 6, 1, 2, 3, 6, 1, 2, 3, 2, 2, 4, 1, 2, 3, 2, 3, 6, 1, 8, 1, 4, 2, 6, 2, 6, 1, 2, 2, 4, 1, 14, 1, 2, 2, 4, 3, 2, 1, 8, 2, 4, 1, 6, 3, 2, 3, 16, 1, 2, 4, 6, 3, 4, 2, 2, 1, 2, 2]