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A160196 as a simple table

na(n)
01
113
2-223
3-13091
492065
521723533
6101958529
7-49768288739
8-926761957183
9144025448042125
105141947009489249
11-497734445201769763
12-28642623292540648607
131968988727426096533261
14171559661755326400233665
15-8575534533295174571498723
16-1120252760054156502803433599

[1,13,-223,-13091,92065,21723533,101958529,
 -49768288739,-926761957183,144025448042125,
 5141947009489249,-497734445201769763,
 -28642623292540648607,1968988727426096533261,
 171559661755326400233665,
 -8575534533295174571498723,
 -1120252760054156502803433599]