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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.

A166493 A Per Bak sand pile collapse sequence using Hofstadter Q:A005185, of the A153112 form.

Table of values

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

List of values

[1, 1, 1, 2, 3, 3, 4, 5, 5, 6, 6, 6, 8, 8, 8, 10, 9, 10, 1, 7, 15, 12, 11, 14, 14, 12, 16, 16, 16, 16, 16, 20, 17, 17, 20, 11, 21, 25, 18, 20, 26, 22, 24, 19, 27, 17, 23, 30, 13, 28, 36, 24, 25, 32, 27, 30, 32, 28, 32, 36, 30, 32, 3, 50, 40, 22, 43, 31, 37, 35, 28, 40, 44, 33, 38, 49]

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