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A161369 as a simple table

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

[-1,-1,0,0,-1,0,1,-1,0,0,-1,0,-1,0,0,0,1,-1,2,0,0,
 1,-1,0,-1,2,0,0,2,0,1,-1,0,2,0,0,3,1,-1,0,-1,0,2,
 0,0,-1,2,0,1,-1,2,0,-1,0,0,0,3,1,-1,0,-1,2,0,2,0,
 0,1,-1,2,0,1,-1]

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)