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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.

A030067 The "Semi-Fibonacci sequence": a(1) = 1; a(n) = a(n/2) (n even); a(n) = a(n-1) + a(n-2) (n odd).

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 3
6 2
7 5
8 1
9 6
10 3
11 9
12 2
13 11
14 5
15 16
16 1
17 17
18 6
19 23
20 3
21 26
22 9
23 35
24 2
25 37
26 11
27 48
28 5
29 53
30 16
31 69
32 1
33 70
34 17
35 87
36 6
37 93
38 23
39 116
40 3
41 119
42 26
43 145
44 9
45 154
46 35
47 189
48 2
49 191
50 37
51 228
52 11
53 239
54 48
55 287
56 5
57 292
58 53
59 345
60 16
61 361
62 69
63 430
64 1
65 431
66 70
67 501
68 17
69 518
70 87
71 605
72 6
73 611
74 93

List of values

[1, 1, 2, 1, 3, 2, 5, 1, 6, 3, 9, 2, 11, 5, 16, 1, 17, 6, 23, 3, 26, 9, 35, 2, 37, 11, 48, 5, 53, 16, 69, 1, 70, 17, 87, 6, 93, 23, 116, 3, 119, 26, 145, 9, 154, 35, 189, 2, 191, 37, 228, 11, 239, 48, 287, 5, 292, 53, 345, 16, 361, 69, 430, 1, 431, 70, 501, 17, 518, 87, 605, 6, 611, 93]

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