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A131531 as a simple table

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

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

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Last modified March 29 17:23 EDT 2020. Contains 333116 sequences. (Running on oeis4.)