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A248925 as a simple table

na(n)
01
11
20
31
4-2
51
61
7-5
87
9-2
101
11-9
1227
13-30
149
151
16-14
1772
18-165
19159
20-44
211
22-20
23156
24-597
251149
26-998
27265
281
29-27
30296
31-1689
325328
33-9041
347251
35-1854
361
37-35
38512
39-4057
4018840
41-51665
4279579
43-59862
4414833
451
46-44
47827
48-8665
4955353
50-221225
51544564
52-776073
53553591
54-133496

[1,1,0,1,-2,1,1,-5,7,-2,1,-9,27,-30,9,1,-14,72,
 -165,159,-44,1,-20,156,-597,1149,-998,265,1,-27,
 296,-1689,5328,-9041,7251,-1854,1,-35,512,-4057,
 18840,-51665,79579,-59862,14833,1,-44,827,-8665,
 55353,-221225,544564,-776073,553591,-133496]