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A140749 as a simple table

na(n)
01
1-1
21
31
4-1
51
6-1
711
8-3
91
101
11-5
127
13-2
141
15-1
16137
17-15
1817
19-5
201
211
22-7
2329
24-7
2525
26-3
271
28-1
29363
30-469
31967
32-35
3323
34-7
351
361
37-761
3829531
39-89
401069
41-9
4291
43-4
441
45-1
467129
47-1303
484523
49-285
503013
51-105
5229
53-9
541
551
56-671
5716103
58-7645
5931063
60-781
614781
62-55
6312
64-5
651

[1,-1,1,1,-1,1,-1,11,-3,1,1,-5,7,-2,1,-1,137,-15,
 17,-5,1,1,-7,29,-7,25,-3,1,-1,363,-469,967,-35,23,
 -7,1,1,-761,29531,-89,1069,-9,91,-4,1,-1,7129,
 -1303,4523,-285,3013,-105,29,-9,1,1,-671,16103,
 -7645,31063,-781,4781,-55,12,-5,1]