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A353972 as a simple table

na(n)
11
20
31
4-4
529
6-124
71583
8-17088
9124553
10-1152816
1120127867
12-262838016
133978820221
14-48595514304
15914656587063
16-24441484099584
17370244721585681
18-5884988565575424
19162968423791332339
20-3855257807841017856
2182014901819948738629
22-1934570487417807744000
2358311771938510122952559

[1,0,1,-4,29,-124,1583,-17088,124553,-1152816,
 20127867,-262838016,3978820221,-48595514304,
 914656587063,-24441484099584,370244721585681,
 -5884988565575424,162968423791332339,
 -3855257807841017856,82014901819948738629,
 -1934570487417807744000,58311771938510122952559]