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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.

A028397 Start at n and iterate the map in A006368; a(n) is the smallest number in the trajectory.

Table of values

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

List of values

[0, 1, 2, 2, 4, 4, 4, 4, 8, 4, 8, 8, 12, 8, 14, 8, 16, 8, 18, 14, 20, 16, 14, 8, 24, 14, 14, 20, 14, 14, 30, 8, 32, 14, 32, 14, 36, 14, 32, 14, 40, 8, 14, 32, 44, 32, 46, 14, 48, 14, 50, 32, 50, 40, 46, 8, 56, 32, 14, 44, 60, 46, 44, 14, 64, 14, 44, 50, 8, 50, 44, 40, 72, 8, 44, 56]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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