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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.

A363348 Turn sequence of a non-Eulerian path for drawing an infinite aperiodic tiling based on the "hat" monotile. See the comments section for details.

Table of values

n a(n)
1 3
2 -2
3 3
4 -2
5 3
6 2
7 0
8 2
9 -3
10 2
11 3
12 2
13 -3
14 2
15 3
16 -2
17 3
18 -2
19 3
20 -2
21 0
22 2
23 -3
24 2
25 3
26 2
27 -3
28 2
29 3
30 -2
31 3
32 -2
33 3
34 2
35 0
36 2
37 -3
38 2
39 3
40 -2
41 0
42 2
43 -3
44 2
45 3
46 2
47 -3
48 2
49 3
50 -2
51 3
52 -2
53 3
54 2
55 0
56 2
57 -3
58 2
59 3
60 -2
61 0
62 2
63 -3
64 2
65 3
66 2
67 -3
68 2
69 3
70 -2
71 3
72 -2
73 3
74 2
75 0
76 2
77 -3
78 2
79 3
80 2
81 -3
82 -2
83 3
84 2
85 -3
86 2
87 3
88 -2
89 3
90 -2

List of values

[3, -2, 3, -2, 3, 2, 0, 2, -3, 2, 3, 2, -3, 2, 3, -2, 3, -2, 3, -2, 0, 2, -3, 2, 3, 2, -3, 2, 3, -2, 3, -2, 3, 2, 0, 2, -3, 2, 3, -2, 0, 2, -3, 2, 3, 2, -3, 2, 3, -2, 3, -2, 3, 2, 0, 2, -3, 2, 3, -2, 0, 2, -3, 2, 3, 2, -3, 2, 3, -2, 3, -2, 3, 2, 0, 2, -3, 2, 3, 2, -3, -2, 3, 2, -3, 2, 3, -2, 3, -2]