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A130591 as a simple table

na(n)
01
1-8
284
3-836
48617
5-87016
6869799
7-8590272
883796504
9-806946224
107666848877
11-71824221768
12662987321281
13-6025366832504
1453867639536838
15-473272010699496
164081721963157687
17-34511324853373512
18285631757521047043
19-2309922250334330096
2018213524452315660914

[1,-8,84,-836,8617,-87016,869799,-8590272,
 83796504,-806946224,7666848877,-71824221768,
 662987321281,-6025366832504,53867639536838,
 -473272010699496,4081721963157687,
 -34511324853373512,285631757521047043,
 -2309922250334330096,18213524452315660914]