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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.

A095773 a(1)=1, a(n) = 1 + a(n - a(a(a(n-1)))).

Table of values

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

List of values

[1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 22]

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