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A009578 as a simple table

na(n)
00
11
2-3
39
4-34
5165
6-981
76853
8-54804
9493209
10-4932055
1154252561
12-651030678
138463398749
14-118487582409
151777313736045
16-28437019776616
17483429336202353
18-8701728051642219
19165332832981202009
20-3306656659624040010

[0,1,-3,9,-34,165,-981,6853,-54804,493209,
 -4932055,54252561,-651030678,8463398749,
 -118487582409,1777313736045,-28437019776616,
 483429336202353,-8701728051642219,
 165332832981202009,-3306656659624040010]