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A121440 as a simple table

na(n)
01
1-3
21
30
4-5
51
6-12
74
8-8
91
10-129
11-22
1218
13-12
141
15-1785
16-238
17-51
1851
19-17
201
21-30291
22-3634
23-345
24-161
25115
26-23
271
28-608565
29-66750
30-6111
31-285
32-505
33225
34-30
351
36-14112744
37-1432296
38-122227
39-9177
40665
41-1387
42399
43-38
441
45-370746528
46-35129022
47-2818543
48-196037
49-14335
504841
51-3337
52658

[1,-3,1,0,-5,1,-12,4,-8,1,-129,-22,18,-12,1,-1785,
 -238,-51,51,-17,1,-30291,-3634,-345,-161,115,-23,
 1,-608565,-66750,-6111,-285,-505,225,-30,1,
 -14112744,-1432296,-122227,-9177,665,-1387,399,
 -38,1,-370746528,-35129022,-2818543,-196037,
 -14335,4841,-3337,658]