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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.

A284053 Relative of Hofstadter Q-sequence.

Table of values

n a(n)
1 9
2 20
3 5
4 5
5 20
6 9
7 20
8 5
9 5
10 20
11 9
12 5
13 10
14 10
15 20
16 9
17 5
18 15
19 15
20 40
21 9
22 10
23 20
24 15
25 40
26 9
27 15
28 25
29 15
30 40
31 9
32 20
33 25
34 15
35 60
36 9
37 25
38 25
39 20
40 60
41 9
42 25
43 30
44 25
45 60
46 9
47 25
48 40
49 20
50 60
51 9
52 30
53 45
54 20
55 80
56 9
57 40
58 35
59 30
60 80
61 9
62 45
63 35
64 30
65 100
66 9
67 35
68 55
69 25
70 80
71 9
72 35
73 55
74 35
75 100

List of values

[9, 20, 5, 5, 20, 9, 20, 5, 5, 20, 9, 5, 10, 10, 20, 9, 5, 15, 15, 40, 9, 10, 20, 15, 40, 9, 15, 25, 15, 40, 9, 20, 25, 15, 60, 9, 25, 25, 20, 60, 9, 25, 30, 25, 60, 9, 25, 40, 20, 60, 9, 30, 45, 20, 80, 9, 40, 35, 30, 80, 9, 45, 35, 30, 100, 9, 35, 55, 25, 80, 9, 35, 55, 35, 100]

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