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A210954 as a simple table

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

[1,1,1,1,1,1,1,1,1,1,1,1,2,1,3,1,4,1,-1,4,1,-1,4,
 1,-1,4,1,-1,4,1,-1,4,1,-1,4,1,-1,4,1,-1,4,2,-1,5,
 3,-1,7,4,-1,10,4,-2,12,4,-3,13,4,-4,13,4,-4,13,4,
 -4,13,4,-4,13,4,-4,13,4,-4,13,5,-4,14,7,-4,-1]

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Last modified February 20 16:35 EST 2020. Contains 332079 sequences. (Running on oeis4.)