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A144634 as a simple table

na(n)
11
2-1
31
42
5-3
61
7-5
811
9-6
101
1110
12-45
1335
14-10
151
1635
17175
18-210
1985
20-15
211
22-910
23-315
241225
25-700
26175
27-21
281
2911935
30-6265
31-5670
325565
33-1890
34322
35-28
361
37-134750
38139755
39-5005
40-39270
4119425
42-4410
43546
44-36
451
461376375
47-2127125

[1,-1,1,2,-3,1,-5,11,-6,1,10,-45,35,-10,1,35,175,
 -210,85,-15,1,-910,-315,1225,-700,175,-21,1,11935,
 -6265,-5670,5565,-1890,322,-28,1,-134750,139755,
 -5005,-39270,19425,-4410,546,-36,1,1376375,
 -2127125]