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A248810 as a simple table

na(n)
01
1-1
21
33
4-3
51
6-5
79
8-5
91
1011
11-23
1219
13-7
141
15-21
1657
17-61
1833
19-9
201
2143
22-135
23179
24-127
2551
26-11
271
28-85
29313
30-493
31433
32-229
3373
34-13
351
36171
37-711
381299
39-1359
40891
41-375
4299
43-15
441
45-341
461593
47-3309
484017
49-3141
501641
51-573
52129
53-17
541
55683
56-3527
578211
58-11343
5910299
60-6423
612787
62-831
63163
64-19
651

[1,-1,1,3,-3,1,-5,9,-5,1,11,-23,19,-7,1,-21,57,
 -61,33,-9,1,43,-135,179,-127,51,-11,1,-85,313,
 -493,433,-229,73,-13,1,171,-711,1299,-1359,891,
 -375,99,-15,1,-341,1593,-3309,4017,-3141,1641,
 -573,129,-17,1,683,-3527,8211,-11343,10299,-6423,
 2787,-831,163,-19,1]