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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.

A354254 a(n) is the least m >= 0 such that n = f^k(m) for some k >= 0 (where f^k denotes the k-th iterate of A092391).

Table of values

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

List of values

[0, 1, 1, 1, 4, 1, 6, 1, 6, 6, 1, 6, 1, 13, 1, 15, 13, 1, 18, 1, 18, 21, 1, 23, 21, 1, 21, 23, 1, 21, 30, 1, 32, 21, 30, 21, 1, 37, 1, 39, 37, 1, 37, 39, 1, 37, 46, 1, 48, 37, 46, 51, 1, 46, 54, 1, 56, 46, 54, 56, 1, 46, 54, 63, 1, 1, 46, 1, 46, 63, 1, 71, 63]

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