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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.

A186038 a(n) = log_3(A002426(n)/numerator(A002426(n)/3^n)).

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 0
5 1
6 1
7 1
8 3
9 0
10 0
11 1
12 0
13 0
14 1
15 2
16 2
17 4
18 1
19 1
20 2
21 1
22 1
23 2
24 2
25 2
26 5
27 0
28 0
29 1
30 0
31 0
32 1
33 1
34 1
35 3
36 0
37 0
38 1
39 0
40 0
41 1
42 5
43 3
44 4
45 2
46 2
47 3
48 2
49 2
50 3
51 3
52 3
53 6
54 1
55 1
56 2
57 1
58 1
59 2
60 2
61 2
62 4
63 1
64 1
65 2
66 1
67 1
68 2
69 3
70 3
71 6
72 2
73 2
74 3
75 2
76 2
77 3
78 3
79 3
80 7

List of values

[0, 0, 1, 0, 0, 1, 1, 1, 3, 0, 0, 1, 0, 0, 1, 2, 2, 4, 1, 1, 2, 1, 1, 2, 2, 2, 5, 0, 0, 1, 0, 0, 1, 1, 1, 3, 0, 0, 1, 0, 0, 1, 5, 3, 4, 2, 2, 3, 2, 2, 3, 3, 3, 6, 1, 1, 2, 1, 1, 2, 2, 2, 4, 1, 1, 2, 1, 1, 2, 3, 3, 6, 2, 2, 3, 2, 2, 3, 3, 3, 7]

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