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A204168 as a simple table

n a(n)
1 2
2 -1
3 -1
4 -6
5 1
6 0
7 6
8 12
9 -1
10 0
11 0
12 -20
13 -20
14 1
15 0
16 0
17 0
18 50
19 30
20 -1
21 0
22 0
23 0
24 0
25 -105
26 -42
27 1
28 0
29 0
30 0
31 0
32 0
33 196
34 56
35 -1
36 0
37 0
38 0
39 0
40 0
41 0
42 -336
43 -72
44 1
45 0
46 0
47 0
48 0
49 0
50 0
51 0
52 540
53 90
54 -1
55 0
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 -825
64 -110
65 1

[2,-1,-1,-6,1,0,6,12,-1,0,0,-20,-20,1,0,0,0,50,30,
 -1,0,0,0,0,-105,-42,1,0,0,0,0,0,196,56,-1,0,0,0,0,
 0,0,-336,-72,1,0,0,0,0,0,0,0,540,90,-1,0,0,0,0,0,
 0,0,0,-825,-110,1]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)