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A273894 as a simple table

n a(n)
0 1
1 -1
2 1
3 1
4 0
5 -2
6 1
7 -1
8 1
9 2
10 -5
11 2
12 4
13 -4
14 1
15 1
16 0
17 -4
18 2
19 12
20 -14
21 -20
22 48
23 -14
24 -50
25 60
26 -10
27 -28
28 24
29 -8
30 1
31 -1
32 1
33 4
34 -10
35 -8
36 54
37 -24
38 -180
39 270
40 270
41 -960
42 150
43 2064
44 -2040
45 -2352
46 5871
47 -1566
48 -7236
49 8880
50 120
51 -9120
52 7980
53 120
54 -5340
55 4212
56 -756

[1,-1,1,1,0,-2,1,-1,1,2,-5,2,4,-4,1,1,0,-4,2,12,
 -14,-20,48,-14,-50,60,-10,-28,24,-8,1,-1,1,4,-10,
 -8,54,-24,-180,270,270,-960,150,2064,-2040,-2352,
 5871,-1566,-7236,8880,120,-9120,7980,120,-5340,
 4212,-756]

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Last modified July 4 16:24 EDT 2020. Contains 335448 sequences. (Running on oeis4.)