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A123013 as a simple table

na(n)
01
10
2-253
3-1288
4191521
51629320
6-141854525
7-1729034384
8103325091969
91676517701264
10-73862084838333
11-1537330036703384
1251664189190888737
131355829753195189272
14-35196896202269431421
15-1160994902209537876768
1623182613727557891170817
17970833262148740191853344

[1,0,-253,-1288,191521,1629320,-141854525,
 -1729034384,103325091969,1676517701264,
 -73862084838333,-1537330036703384,
 51664189190888737,1355829753195189272,
 -35196896202269431421,-1160994902209537876768,
 23182613727557891170817,970833262148740191853344]