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A216207 as a simple table

na(n)
01
1-1
21
37
4-8
51
6-163
7189
8-27
91
108983
11-10432
121512
13-64
141
15-966751
161122875
17-163000
187000
19-125
201
21179781181
22-208818216
2330317625
24-1304000
2523625
26-216
271
28-53090086057
2961664945083
30-8953081011
31385146125
32-6988625
3364827
34-343
351
3623402291822743
37-27182124061184
383946556485312
39-169776943616
403081169000
41-28625408
42153664
43-512
441

[1,-1,1,7,-8,1,-163,189,-27,1,8983,-10432,1512,
 -64,1,-966751,1122875,-163000,7000,-125,1,
 179781181,-208818216,30317625,-1304000,23625,-216,
 1,-53090086057,61664945083,-8953081011,385146125,
 -6988625,64827,-343,1,23402291822743,
 -27182124061184,3946556485312,-169776943616,
 3081169000,-28625408,153664,-512,1]