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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.

A340320 a(n) is the X-coordinate of the n-th point of a variant of the quadratic Koch curve. Sequence A340321 gives Y-coordinates.

Table of values

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

List of values

[0, 1, 1, 2, 2, 3, 3, 4, 4, 3, 3, 4, 4, 5, 5, 6, 6, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 10, 10, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 12, 12, 13, 13, 14, 14, 15, 15, 14, 14, 15, 15, 16, 16]

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