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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.

A297770 Number of distinct runs in base-2 digits of n.

Table of values

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

List of values

[1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 3, 2, 3, 2, 1, 2, 2, 3, 3, 3, 2, 3, 3, 2, 3, 3, 2, 2, 3, 2, 1, 2, 2, 3, 3, 2, 3, 4, 3, 3, 3, 2, 3, 4, 3, 3, 3, 2, 3, 4, 2, 4, 3, 2, 3, 2, 3, 3, 3, 2, 3, 2, 1, 2, 2, 3, 3, 3, 3, 4, 3, 3, 2, 3, 4, 3, 4, 4, 3, 3, 3, 3, 4, 3, 2, 3]

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