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A354274 as a simple table

na(n)
11
20
3-1
44
5-11
6-4
7-547
87680
9-7751
1081744
11-3258663
12-9474816
13-390445563
14233029824
15-964154427
164193551958016
17-18431412645519
1871090090006784
19-6436900596281679
2017349989459410944
21834261829219880829
22-241960391975347200
23-1149793471388581053219

[1,0,-1,4,-11,-4,-547,7680,-7751,81744,-3258663,
 -9474816,-390445563,233029824,-964154427,
 4193551958016,-18431412645519,71090090006784,
 -6436900596281679,17349989459410944,
 834261829219880829,-241960391975347200,
 -1149793471388581053219]