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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.

A344259 For any number n with binary expansion (b(1), ..., b(k)), the binary expansion of a(n) is (b(1), ..., b(ceiling(k/2))).

Table of values

n a(n)
0 0
1 1
2 1
3 1
4 2
5 2
6 3
7 3
8 2
9 2
10 2
11 2
12 3
13 3
14 3
15 3
16 4
17 4
18 4
19 4
20 5
21 5
22 5
23 5
24 6
25 6
26 6
27 6
28 7
29 7
30 7
31 7
32 4
33 4
34 4
35 4
36 4
37 4
38 4
39 4
40 5
41 5
42 5
43 5
44 5
45 5
46 5
47 5
48 6
49 6
50 6
51 6
52 6
53 6
54 6
55 6
56 7
57 7
58 7
59 7
60 7
61 7
62 7
63 7
64 8
65 8
66 8
67 8
68 8
69 8
70 8
71 8
72 9
73 9
74 9
75 9
76 9
77 9
78 9
79 9
80 10
81 10
82 10
83 10
84 10

List of values

[0, 1, 1, 1, 2, 2, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10]

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