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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.

A112591 a(n) = prime(n) XOR prime(n + 1).

Table of values

n a(n)
1 1
2 6
3 2
4 12
5 6
6 28
7 2
8 4
9 10
10 2
11 58
12 12
13 2
14 4
15 26
16 14
17 6
18 126
19 4
20 14
21 6
22 28
23 10
24 56
25 4
26 2
27 12
28 6
29 28
30 14
31 252
32 10
33 2
34 30
35 2
36 10
37 62
38 4
39 10
40 30
41 6
42 10
43 126
44 4
45 2
46 20
47 12
48 60
49 6
50 12
51 6
52 30
53 10
54 506
55 6
56 10
57 2
58 26
59 12
60 2
61 62
62 22
63 4
64 14
65 4
66 118
67 26
68 10
69 6
70 60
71 6
72 8
73 26
74 14
75 4
76 250
77 8
78 28
79 8

List of values

[1, 6, 2, 12, 6, 28, 2, 4, 10, 2, 58, 12, 2, 4, 26, 14, 6, 126, 4, 14, 6, 28, 10, 56, 4, 2, 12, 6, 28, 14, 252, 10, 2, 30, 2, 10, 62, 4, 10, 30, 6, 10, 126, 4, 2, 20, 12, 60, 6, 12, 6, 30, 10, 506, 6, 10, 2, 26, 12, 2, 62, 22, 4, 14, 4, 118, 26, 10, 6, 60, 6, 8, 26, 14, 4, 250, 8, 28, 8]

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