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A162312 as a simple table

na(n)
01
1-2
21
36
4-4
51
6-26
718
8-6
91
10150
11-104
1236
13-8
141
15-1082
16750
17-260
1860
19-10
201
219366
22-6492
232250
24-520
2590
26-12
271
28-94586
2965562
30-22722
315250
32-910
33126
34-14
351
361091670
37-756688
38262248
39-60592
4010500
41-1456
42168
43-16
441
45-14174522
469825030

[1,-2,1,6,-4,1,-26,18,-6,1,150,-104,36,-8,1,-1082,
 750,-260,60,-10,1,9366,-6492,2250,-520,90,-12,1,
 -94586,65562,-22722,5250,-910,126,-14,1,1091670,
 -756688,262248,-60592,10500,-1456,168,-16,1,
 -14174522,9825030]