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A158073 as a simple table

na(n)
01
1-1
21
35
4-91
5-85
63751
73185
8-138811
9-207913
1025143755
1120824925
12-125284471321
13-2961364861
1445706820257
15567040692425
16-850303535348267
17-140642298254929
18371258049560506117
1943861384856264885
20-53200355263894712681
21-16798626454194814117

[1,-1,1,5,-91,-85,3751,3185,-138811,-207913,
 25143755,20824925,-125284471321,-2961364861,
 45706820257,567040692425,-850303535348267,
 -140642298254929,371258049560506117,
 43861384856264885,-53200355263894712681,
 -16798626454194814117]