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A115638 as a simple table

n a(n)
0 1
1 -1
2 5
3 -1
4 -3
5 -1
6 21
7 -1
8 -3
9 -1
10 -11
11 -1
12 -3
13 -1
14 85
15 -1
16 -3
17 -1
18 -11
19 -1
20 -3
21 -1
22 -43
23 -1
24 -3
25 -1
26 -11
27 -1
28 -3
29 -1
30 341
31 -1
32 -3
33 -1
34 -11
35 -1
36 -3
37 -1
38 -43
39 -1
40 -3
41 -1
42 -11
43 -1
44 -3
45 -1
46 -171
47 -1
48 -3
49 -1
50 -11
51 -1
52 -3
53 -1
54 -43
55 -1
56 -3
57 -1
58 -11
59 -1
60 -3
61 -1
62 1365
63 -1
64 -3
65 -1
66 -11
67 -1
68 -3
69 -1
70 -43

[1,-1,5,-1,-3,-1,21,-1,-3,-1,-11,-1,-3,-1,85,-1,
 -3,-1,-11,-1,-3,-1,-43,-1,-3,-1,-11,-1,-3,-1,341,
 -1,-3,-1,-11,-1,-3,-1,-43,-1,-3,-1,-11,-1,-3,-1,
 -171,-1,-3,-1,-11,-1,-3,-1,-43,-1,-3,-1,-11,-1,-3,
 -1,1365,-1,-3,-1,-11,-1,-3,-1,-43]

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Last modified July 29 23:30 EDT 2021. Contains 346346 sequences. (Running on oeis4.)