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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.

A096863 Function A062402(x)=sigma(phi(x)) is iterated. Starting with n, a(n) is the count of transient terms of trajectory.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 1
6 1
7 0
8 1
9 1
10 1
11 2
12 0
13 1
14 1
15 0
16 1
17 1
18 1
19 2
20 1
21 1
22 2
23 2
24 1
25 2
26 1
27 2
28 0
29 2
30 1
31 0
32 1
33 2
34 1
35 1
36 1
37 2
38 2
39 1
40 1
41 2
42 1
43 4
44 2
45 1
46 2
47 1
48 1
49 4
50 2
51 3
52 1
53 5
54 2
55 2
56 1
57 2
58 2
59 2
60 0
61 1
62 1
63 2
64 3
65 1
66 2
67 2
68 3
69 2
70 1
71 2
72 0
73 1
74 2
75 2
76 2
77 1
78 1
79 1
80 3
81 4
82 2
83 3
84 1
85 3
86 4
87 4
88 2
89 2
90 1
91 1
92 2
93 1
94 1
95 1
96 3
97 1
98 4
99 1
100 2
101 6
102 3
103 2
104 1
105 1

List of values

[0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 2, 0, 1, 1, 0, 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 0, 2, 1, 0, 1, 2, 1, 1, 1, 2, 2, 1, 1, 2, 1, 4, 2, 1, 2, 1, 1, 4, 2, 3, 1, 5, 2, 2, 1, 2, 2, 2, 0, 1, 1, 2, 3, 1, 2, 2, 3, 2, 1, 2, 0, 1, 2, 2, 2, 1, 1, 1, 3, 4, 2, 3, 1, 3, 4, 4, 2, 2, 1, 1, 2, 1, 1, 1, 3, 1, 4, 1, 2, 6, 3, 2, 1, 1]