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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.

A374066 a(n) is the number of terms in the trajectory when the map x -> A067240(x) is iterated, starting from x = n until x = 0.

Table of values

n a(n)
1 2
2 3
3 4
4 4
5 5
6 5
7 6
8 5
9 6
10 6
11 7
12 5
13 6
14 7
15 6
16 6
17 7
18 7
19 8
20 6
21 6
22 8
23 9
24 6
25 7
26 7
27 8
28 6
29 7
30 7
31 8
32 7
33 6
34 8
35 7
36 6
37 7
38 9
39 8
40 6
41 7
42 7
43 8
44 6
45 7
46 10
47 11
48 7
49 8
50 7
51 8
52 8
53 9
54 9
55 8
56 7
57 7
58 8
59 9
60 6
61 7
62 9
63 6
64 8
65 7
66 7
67 8
68 8
69 7
70 8
71 9
72 7
73 8
74 8
75 9
76 7
77 7
78 7
79 8
80 6
81 10
82 8
83 9
84 7
85 7
86 9
87 8
88 8
89 9

List of values

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

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

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