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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.

A215675 a(1) = 1, a(n) = 2 if 1 a(2n+1) = a(n)+1, a(2n+2) = a(n)+a(n+1)+1 otherwise.

Table of values

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

List of values

[1, 2, 2, 4, 3, 5, 3, 7, 5, 8, 4, 9, 6, 9, 4, 11, 8, 13, 6, 14, 9, 13, 5, 14, 10, 16, 7, 16, 10, 14, 5, 16, 12, 20, 9, 22, 14, 20, 7, 21, 15, 24, 10, 23, 14, 19, 6, 20, 15, 25, 11, 27, 17, 24, 8, 24, 17, 27, 11, 25, 15, 20, 6, 22, 17, 29, 13, 33, 21, 30, 10]

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