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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.

A381492 a(n) is the logarithm to base A381491(n) of A381487(n).

Table of values

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

List of values

[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 7, 4, 3, 3, 4, 4, 13, 7, 5, 5, 7, 19, 6, 7, 10, 7, 7, 25, 8, 13, 9, 10, 9, 13, 31, 10, 16, 11, 11, 13, 37, 19, 12, 13, 13, 43, 22, 19, 14, 16, 15, 15, 49, 25, 16, 17, 19, 17, 55, 28, 19, 18, 25, 19, 61, 22, 31, 21, 20, 21, 67, 34, 23, 22, 25]

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