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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.

A291793 Period of orbit of Post's tag system applied to the word (100)^n (version 2), or -1 if the orbit increases without limit.

Table of values

n a(n)
1 2
2 6
3 6
4 6
5 0
6 10
7 28
8 6
9 10
10 6
11 6
12 6
13 0
14 0
15 6
16 28
17 10
18 6
19 10
20 6
21 6
22 0
23 6
24 6
25 0
26 6
27 6
28 6
29 6
30 6
31 6
32 52
33 6
34 6
35 6
36 6
37 6
38 6
39 6
40 6
41 6
42 6
43 6
44 28
45 6
46 0
47 0
48 28
49 6
50 6
51 6
52 6
53 6
54 0
55 6
56 6
57 6
58 10
59 6
60 6
61 6
62 6
63 0
64 6
65 0
66 6
67 6
68 6
69 6
70 0
71 6
72 6
73 6
74 0
75 6
76 6
77 6
78 0
79 10
80 0
81 10
82 6
83 6

List of values

[2, 6, 6, 6, 0, 10, 28, 6, 10, 6, 6, 6, 0, 0, 6, 28, 10, 6, 10, 6, 6, 0, 6, 6, 0, 6, 6, 6, 6, 6, 6, 52, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 28, 6, 0, 0, 28, 6, 6, 6, 6, 6, 0, 6, 6, 6, 10, 6, 6, 6, 6, 0, 6, 0, 6, 6, 6, 6, 0, 6, 6, 6, 0, 6, 6, 6, 0, 10, 0, 10, 6, 6]

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