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A160193 as a simple table

na(n)
01
15
2-367
3-5755
4402817
511037925
6-734331695
7-29632858075
81866841880705
9102262852326725
10-6074903893493615
11-431244900588230075
1224038761085803317505
132148769817796050860325
14-111757677404273451703855
15-12351237147086094379982875
16595378957401697424118753025

[1,5,-367,-5755,402817,11037925,-734331695,
 -29632858075,1866841880705,102262852326725,
 -6074903893493615,-431244900588230075,
 24038761085803317505,2148769817796050860325,
 -111757677404273451703855,
 -12351237147086094379982875,
 595378957401697424118753025]