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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.

A003620 Number of iterations until 3n reaches 153 under x goes to sum of cubes of digits map.

Table of values

n a(n)
1 3
2 10
3 4
4 5
5 10
6 2
7 5
8 3
9 2
10 3
11 6
12 6
13 6
14 3
15 5
16 6
17 10
18 5
19 5
20 10
21 6
22 6
23 6
24 2
25 5
26 8
27 2
28 6
29 8
30 4
31 6
32 6
33 4
34 5
35 10
36 2
37 4
38 7
39 11
40 5
41 7
42 9
43 10
44 7
45 1
46 6
47 7
48 11
49 7
50 10
51 0
52 6
53 8
54 9
55 6
56 4
57 11
58 7
59 13
60 2
61 6
62 4
63 4
64 10
65 8
66 4
67 5
68 3
69 2
70 5
71 7
72 9
73 10
74 4
75 8
76 8
77 7
78 5
79 10
80 3

List of values

[3, 10, 4, 5, 10, 2, 5, 3, 2, 3, 6, 6, 6, 3, 5, 6, 10, 5, 5, 10, 6, 6, 6, 2, 5, 8, 2, 6, 8, 4, 6, 6, 4, 5, 10, 2, 4, 7, 11, 5, 7, 9, 10, 7, 1, 6, 7, 11, 7, 10, 0, 6, 8, 9, 6, 4, 11, 7, 13, 2, 6, 4, 4, 10, 8, 4, 5, 3, 2, 5, 7, 9, 10, 4, 8, 8, 7, 5, 10, 3]

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