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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.

A248079 Least number k such that k^n + k - 1 is prime, or 0 if no such k exists.

Table of values

n a(n)
1 2
2 2
3 3
4 2
5 0
6 4
7 6
8 2
9 4
10 3
11 0
12 17
13 36
14 3
15 3
16 2
17 0
18 6
19 9
20 43
21 27
22 9
23 0
24 3
25 154
26 3
27 34
28 54
29 0
30 24
31 24
32 6
33 226
34 23
35 0
36 3
37 70
38 36
39 13
40 51
41 0
42 4
43 13
44 9
45 10
46 68
47 0
48 18
49 10
50 45
51 154
52 85
53 0
54 23
55 6
56 10
57 37
58 8
59 0
60 30
61 331
62 9
63 3
64 40
65 0
66 11
67 61
68 8
69 10
70 35
71 0
72 61
73 76
74 54
75 426
76 9
77 0
78 84
79 87
80 13
81 46

List of values

[2, 2, 3, 2, 0, 4, 6, 2, 4, 3, 0, 17, 36, 3, 3, 2, 0, 6, 9, 43, 27, 9, 0, 3, 154, 3, 34, 54, 0, 24, 24, 6, 226, 23, 0, 3, 70, 36, 13, 51, 0, 4, 13, 9, 10, 68, 0, 18, 10, 45, 154, 85, 0, 23, 6, 10, 37, 8, 0, 30, 331, 9, 3, 40, 0, 11, 61, 8, 10, 35, 0, 61, 76, 54, 426, 9, 0, 84, 87, 13, 46]

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