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A130559 as a simple table

n a(n)
0 1
1 -2
2 1
3 12
4 -8
5 1
6 -144
7 108
8 -20
9 1
10 2880
11 -2304
12 508
13 -40
14 1
15 -86400
16 72000
17 -17544
18 1708
19 -70
20 1
21 3628800
22 -3110400
23 808848
24 -89280
25 4648
26 -112
27 1
28 -203212800
29 177811200
30 -48405888
31 5808528
32 -349568
33 10920
34 -168
35 1
36 14631321600
37 -13005619200
38 3663035136
39 -466619904

[1,-2,1,12,-8,1,-144,108,-20,1,2880,-2304,508,-40,
 1,-86400,72000,-17544,1708,-70,1,3628800,-3110400,
 808848,-89280,4648,-112,1,-203212800,177811200,
 -48405888,5808528,-349568,10920,-168,1,
 14631321600,-13005619200,3663035136,-466619904]

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Last modified August 3 20:08 EDT 2020. Contains 336201 sequences. (Running on oeis4.)