cp's OEIS Frontend

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.

A213198 Number of iterations of the map n -> f(f(f(...f(n)...))) to reach the end of the cycle, where f(n) = A006577(n), the initial number n is not counted.

Table of values

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

List of values

[0, 1, 5, 2, 0, 7, 4, 6, 7, 8, 11, 8, 8, 10, 10, 3, 9, 6, 6, 5, 5, 11, 11, 9, 12, 9, 13, 7, 7, 7, 10, 1, 10, 9, 9, 6, 6, 6, 10, 7, 11, 7, 8, 4, 4, 4, 10, 12, 10, 10, 10, 12, 12, 7, 7, 7, 2, 7, 2, 7, 7, 15, 15, 8, 14, 14, 14, 11, 11, 11, 14, 12, 12, 12, 11, 12]