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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.

A218622 a(n) = A183161(n) (mod 4), n>=0.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 1
5 1
6 2
7 2
8 1
9 1
10 1
11 0
12 2
13 2
14 2
15 2
16 1
17 1
18 1
19 2
20 1
21 1
22 0
23 0
24 2
25 2
26 2
27 0
28 2
29 2
30 2
31 2
32 1
33 1
34 1
35 2
36 1
37 1
38 2
39 2
40 1
41 1
42 1
43 0
44 0
45 0
46 0
47 0
48 2
49 2
50 2
51 0
52 2
53 2
54 0
55 0
56 2
57 2
58 2
59 0
60 2
61 2
62 2
63 2
64 1
65 1
66 1
67 2
68 1
69 1
70 2
71 2
72 1
73 1
74 1
75 0
76 2
77 2
78 2
79 2
80 1
81 1
82 1
83 2
84 1
85 1
86 0
87 0
88 0
89 0
90 0
91 0
92 0
93 0
94 0
95 0

List of values

[1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 0, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 0, 0, 2, 2, 2, 0, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 2, 2, 2, 0, 2, 2, 0, 0, 2, 2, 2, 0, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 0, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

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