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A374386 as a simple table

na(n)
01
10
2-4
324
4-324
5-15164
6-1453072
7-161765904
8-37905894000
9-1376219654680
10-718058901423168
11-163742479201610036

[1,0,-4,24,-324,-15164,-1453072,-161765904,
 -37905894000,-1376219654680,-718058901423168,
 -163742479201610036]