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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.

A209675 Radon function at even positions: a(n) = A003484(2*n).

Table of values

n a(n)
1 2
2 4
3 2
4 8
5 2
6 4
7 2
8 9
9 2
10 4
11 2
12 8
13 2
14 4
15 2
16 10
17 2
18 4
19 2
20 8
21 2
22 4
23 2
24 9
25 2
26 4
27 2
28 8
29 2
30 4
31 2
32 12
33 2
34 4
35 2
36 8
37 2
38 4
39 2
40 9
41 2
42 4
43 2
44 8
45 2
46 4
47 2
48 10
49 2
50 4
51 2
52 8
53 2
54 4
55 2
56 9
57 2
58 4
59 2
60 8
61 2
62 4
63 2
64 16
65 2
66 4
67 2
68 8
69 2
70 4
71 2
72 9
73 2
74 4
75 2
76 8
77 2
78 4
79 2
80 10
81 2
82 4
83 2
84 8
85 2

List of values

[2, 4, 2, 8, 2, 4, 2, 9, 2, 4, 2, 8, 2, 4, 2, 10, 2, 4, 2, 8, 2, 4, 2, 9, 2, 4, 2, 8, 2, 4, 2, 12, 2, 4, 2, 8, 2, 4, 2, 9, 2, 4, 2, 8, 2, 4, 2, 10, 2, 4, 2, 8, 2, 4, 2, 9, 2, 4, 2, 8, 2, 4, 2, 16, 2, 4, 2, 8, 2, 4, 2, 9, 2, 4, 2, 8, 2, 4, 2, 10, 2, 4, 2, 8, 2]

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