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A191564 as a simple table

na(n)
01
11
20
3-9
40
5700
6-1800
7-188160
82069760
9114198336
10-3503606400
11-114527952000
129096958886400
13105465242488320
14-34233337027169280
15553613206386240000
16171717284043841536000
17-10454299523104595558400

[1,1,0,-9,0,700,-1800,-188160,2069760,114198336,
 -3503606400,-114527952000,9096958886400,
 105465242488320,-34233337027169280,
 553613206386240000,171717284043841536000,
 -10454299523104595558400]