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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.

A167421 2^n mod 22.

Table of values

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

List of values

[1, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6, 12, 2, 4, 8, 16, 10, 20, 18, 14, 6]

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