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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.

A349041 a(n) is the Y-coordinate of the n-th point of the terdragon curve; sequence A349040 gives X-coordinates.

Table of values

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

List of values

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

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