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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.

A307590 a(n) is the smallest base b such that q = b^n - b^m + 1 is prime, where m = A276976(n).

Table of values

n a(n)
1 2
2 2
3 2
4 2
5 2
6 2
7 2
8 2
9 5
10 2
11 4
12 2
13 2
14 2
15 8
16 2
17 2
18 3
19 2
20 14
21 11
22 2
23 11
24 29
25 11
26 5
27 19
28 14
29 6
30 27
31 2
32 3
33 21
34 8
35 7
36 10
37 3
38 4
39 2
40 14
41 3
42 5
43 106
44 3
45 2
46 44
47 4
48 3
49 43
50 4
51 4
52 21
53 6
54 16
55 25
56 41
57 3
58 12
59 14
60 10
61 2
62 3
63 81
64 28
65 27
66 66
67 37
68 17
69 61
70 5
71 22
72 12
73 179
74 197
75 49
76 2
77 132
78 178
79 11

List of values

[2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 4, 2, 2, 2, 8, 2, 2, 3, 2, 14, 11, 2, 11, 29, 11, 5, 19, 14, 6, 27, 2, 3, 21, 8, 7, 10, 3, 4, 2, 14, 3, 5, 106, 3, 2, 44, 4, 3, 43, 4, 4, 21, 6, 16, 25, 41, 3, 12, 14, 10, 2, 3, 81, 28, 27, 66, 37, 17, 61, 5, 22, 12, 179, 197, 49, 2, 132, 178, 11]

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