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A354176 as a simple table

na(n)
11
20
3-2
48
5-24
6-16
7-720
812032
90
10-7936
11-3628800
12-58190848
13-479001600
14-22368256
1587178291200
166174957043712
17-20922789888000
1847215125069824
19-6402373705728000
20-164824694455533568
212432902008176640000
22-4951498053124096
23-1124000727777607680000

[1,0,-2,8,-24,-16,-720,12032,0,-7936,-3628800,
 -58190848,-479001600,-22368256,87178291200,
 6174957043712,-20922789888000,47215125069824,
 -6402373705728000,-164824694455533568,
 2432902008176640000,-4951498053124096,
 -1124000727777607680000]