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A157479 as a simple table

na(n)
01
1-2
2-209
3659
4231781
5-1229881
6-634938029
74723252379
83242830776361
9-31020714328561
10-26614376748019049
11311173382329131299
12320356645333260001741
13-4426612415860378784041
14-5316771198863075606715269
1584768353003697761135589419
16116359537461502435135459795921

[1,-2,-209,659,231781,-1229881,-634938029,
 4723252379,3242830776361,-31020714328561,
 -26614376748019049,311173382329131299,
 320356645333260001741,-4426612415860378784041,
 -5316771198863075606715269,
 84768353003697761135589419,
 116359537461502435135459795921]