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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.

A211455 The number of bases b for which A181780(n) is a Fermat pseudoprime.

Table of values

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

List of values

[2, 2, 2, 2, 2, 2, 2, 6, 4, 2, 2, 2, 2, 2, 14, 4, 2, 2, 2, 2, 2, 14, 2, 34, 2, 2, 2, 14, 2, 2, 2, 6, 2, 8, 2, 2, 2, 2, 2, 34, 2, 2, 2, 14, 2, 2, 14, 2, 2, 2, 2, 14, 10, 2, 2, 10, 4, 2, 2, 14, 4, 2, 2, 8, 6, 2, 2, 2, 14, 2, 2, 2, 2, 2, 34, 2, 14, 6, 38, 6, 2, 2]

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