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A331990 as a simple table

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

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

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)