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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.

A345225 a(n) = order of 2-primary subgroup of the group K_n(Z).

Table of values

n a(n)
0 1
1 2
2 2
3 16
4 1
5 1
6 1
7 16
8 1
9 2
10 2
11 16
12 1
13 1
14 1
15 32
16 1
17 2
18 2
19 16
20 1
21 1
22 1
23 48
24 1
25 2
26 2
27 16
28 1
29 1
30 1
31 64
32 1
33 2
34 2
35 16
36 1
37 1
38 1
39 80
40 1
41 2
42 2
43 16
44 1
45 1
46 1
47 96
48 1
49 2
50 2
51 16
52 1
53 1
54 1
55 112
56 1
57 2
58 2
59 16
60 1
61 1
62 1
63 128
64 1
65 2
66 2
67 16
68 1
69 1
70 1
71 144
72 1
73 2
74 2
75 16
76 1
77 1
78 1
79 160

List of values

[1, 2, 2, 16, 1, 1, 1, 16, 1, 2, 2, 16, 1, 1, 1, 32, 1, 2, 2, 16, 1, 1, 1, 48, 1, 2, 2, 16, 1, 1, 1, 64, 1, 2, 2, 16, 1, 1, 1, 80, 1, 2, 2, 16, 1, 1, 1, 96, 1, 2, 2, 16, 1, 1, 1, 112, 1, 2, 2, 16, 1, 1, 1, 128, 1, 2, 2, 16, 1, 1, 1, 144, 1, 2, 2, 16, 1, 1, 1, 160]

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