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A353452 as a simple table

na(n)
01
10
2-1
30
41
5-4
612
764
8-172
9-1348
103456
1134240
12-87084
13370640
14-872336
15-22639616
1652307088
17-181323568
18399580288
1923627011200
20-51305628400
21-686160247552
221545932859328
2368098264912128
24-155370174372864
256326621032802304
26-13829529077133312
27-1087288396552040448

[1,0,-1,0,1,-4,12,64,-172,-1348,3456,34240,-87084,
 370640,-872336,-22639616,52307088,-181323568,
 399580288,23627011200,-51305628400,-686160247552,
 1545932859328,68098264912128,-155370174372864,
 6326621032802304,-13829529077133312,
 -1087288396552040448]