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A159485 as a simple table

na(n)
01
17
2-23
3-1169
4-3215
5314167
63356569
7-112224161
8-2477279903
947300157415
101936378479049
11-20501463985457
12-1677122003305007
135973410860299799
141611600071115585145
155260002350626898623
16-1703708060350443666239
17-17985479130375292877369

[1,7,-23,-1169,-3215,314167,3356569,-112224161,
 -2477279903,47300157415,1936378479049,
 -20501463985457,-1677122003305007,
 5973410860299799,1611600071115585145,
 5260002350626898623,-1703708060350443666239,
 -17985479130375292877369]