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A185896 as a simple table

n a(n)
0 1
1 0
2 2
3 2
4 0
5 6
6 0
7 16
8 0
9 24
10 16
11 0
12 120
13 0
14 120
15 0
16 272
17 0
18 960
19 0
20 720
21 272
22 0
23 3696
24 0
25 8400
26 0
27 5040
28 0
29 7936
30 0
31 48384
32 0
33 80640
34 0
35 40320
36 7936
37 0
38 168960
39 0
40 645120
41 0
42 846720
43 0
44 362880
45 0
46 353792
47 0
48 3256320
49 0
50 8951040
51 0
52 9676800
53 0
54 3628800

[1,0,2,2,0,6,0,16,0,24,16,0,120,0,120,0,272,0,960,
 0,720,272,0,3696,0,8400,0,5040,0,7936,0,48384,0,
 80640,0,40320,7936,0,168960,0,645120,0,846720,0,
 362880,0,353792,0,3256320,0,8951040,0,9676800,0,
 3628800]

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Last modified April 17 04:36 EDT 2021. Contains 343059 sequences. (Running on oeis4.)