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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.

A349197 a(n) is the X-coordinate of the n-th point of the alternate terdragon curve; sequence A349198 gives Y-coordinates.

Table of values

n a(n)
0 0
1 1
2 0
3 1
4 1
5 2
6 2
7 3
8 2
9 3
10 2
11 2
12 1
13 2
14 1
15 2
16 1
17 1
18 0
19 1
20 0
21 1
22 1
23 2
24 2
25 3
26 2
27 3
28 3
29 4
30 4
31 3
32 3
33 2
34 2
35 3
36 3
37 4
38 3
39 4
40 4
41 5
42 5
43 6
44 5
45 6
46 6
47 7
48 7
49 6
50 6
51 5
52 5
53 6
54 6
55 7
56 6
57 7
58 7
59 8
60 8
61 9
62 8
63 9
64 8
65 8
66 7
67 8
68 7
69 8
70 7
71 7
72 6
73 7
74 6
75 7
76 7
77 8
78 8
79 9
80 8
81 9
82 8
83 8
84 7
85 8
86 7

List of values

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

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