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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.

A339455 a(n) is the X-coordinate of the n-th point of the space filling curve H defined in Comments section; A339456 gives Y-coordinates.

Table of values

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

List of values

[0, 1, 0, 1, 1, 1, 2, 1, 2, 1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 3, 3, 3, 4, 3, 4, 3, 2, 3, 2, 3, 3, 3, 4, 3, 4, 3, 2, 1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 3, 3, 3, 4, 3, 4, 3, 2, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4]

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