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A362673 as a simple table

na(n)
01
11
2-1
310
4-51
5556
6-7085
7116376
8-2263303
951072400
10-1308626649
1137526799520
12-1190440709051
1341385630158016
14-1564585725985477
1563903022429837696
16-2804097015221308815
17131558782973452677376
18-6571623885587502740657

[1,1,-1,10,-51,556,-7085,116376,-2263303,51072400,
 -1308626649,37526799520,-1190440709051,
 41385630158016,-1564585725985477,
 63903022429837696,-2804097015221308815,
 131558782973452677376,-6571623885587502740657]