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A070750 as a simple table

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

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

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Last modified August 25 03:10 EDT 2019. Contains 326318 sequences. (Running on oeis4.)