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.

A239474 Smallest k >= 1 such that k^n-n is prime. a(n) = 0 if no such k exists.

Table of values

n a(n)
1 3
2 2
3 2
4 0
5 4
6 5
7 60
8 3
9 2
10 21
11 28
12 5
13 2
14 199
15 28
16 0
17 234
18 11
19 2
20 3
21 2
22 159
23 10
24 31
25 68
26 145
27 0
28 69
29 186
30 163
31 32
32 253
33 26
34 261
35 4
36 0
37 8
38 11
39 62
40 3
41 22
42 43
43 6
44 7
45 8
46 945
47 76
48 7
49 116
50 129
51 382
52 93
53 330
54 361
55 2
56 555
57 224
58 1359
59 78
60 29
61 62
62 39
63 110
64 0
65 1032
66 37
67 462
68 29

List of values

[3, 2, 2, 0, 4, 5, 60, 3, 2, 21, 28, 5, 2, 199, 28, 0, 234, 11, 2, 3, 2, 159, 10, 31, 68, 145, 0, 69, 186, 163, 32, 253, 26, 261, 4, 0, 8, 11, 62, 3, 22, 43, 6, 7, 8, 945, 76, 7, 116, 129, 382, 93, 330, 361, 2, 555, 224, 1359, 78, 29, 62, 39, 110, 0, 1032, 37, 462, 29]