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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.

A363764 a(1)=1, and thereafter, a(n) is the number of terms in the sequence thus far that appear with a frequency not equal to that of a(n-1).

Table of values

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

List of values

[1, 0, 0, 1, 0, 2, 5, 5, 4, 7, 7, 5, 6, 10, 10, 9, 12, 12, 10, 10, 16, 16, 14, 18, 18, 15, 20, 20, 16, 20, 18, 16, 24, 26, 26, 27, 28, 28, 28, 24, 30, 33, 33, 31, 35, 35, 32, 37, 37, 33, 32, 35, 31, 37, 30, 39, 48, 48, 40, 50, 50, 41, 52, 52, 42, 54, 54, 43, 56, 56, 44, 58, 58]

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