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A105385 as a simple table

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

[1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,
 -1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,
 0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,
 -1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,0,1,0,-1,0,
 0,1]

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Last modified April 6 08:06 EDT 2020. Contains 333267 sequences. (Running on oeis4.)