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A144455 as a simple table

na(n)
11
2-1
31
4-8
50
62
7-216
8-144
9-6
106
11-27000
12-27000
13-8070
14-600
1530
16-9261000
17-10848600
18-4402230
19-728490
20-40530
21210
22-12326391000
23-15613428600
24-7239662430
25-1533659820
26-148745520
27-5271420
282310
29-27081081027000
30-36396684324000
31-18558752282070
32-4600370144370

[1,-1,1,-8,0,2,-216,-144,-6,6,-27000,-27000,-8070,
 -600,30,-9261000,-10848600,-4402230,-728490,
 -40530,210,-12326391000,-15613428600,-7239662430,
 -1533659820,-148745520,-5271420,2310,
 -27081081027000,-36396684324000,-18558752282070,
 -4600370144370]