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A300853 as a simple table

na(n)
11
2-1
31
43
51
6-1
71
8-5
910
10-1
111
123
131
14-1
151
1611
171
18-10
191
203
211
22-1
231
24-5
2526
26-1
2710
283
291
30-1
311
32-21
331
34-1
351
3630
371
38-1
391
40-5
411
42-1
431
443
4510
46-1
471
4811
4950
50-26
511
523
531
54-10
551
56-5
571
58-1
591
603
611
62-1
6310
6443
651
66-1
671
683
691
70-1
711
72-50
731
74-1
7526
763
771
78-1
791
8011
8191
82-1
831
843
851

[1,-1,1,3,1,-1,1,-5,10,-1,1,3,1,-1,1,11,1,-10,1,3,
 1,-1,1,-5,26,-1,10,3,1,-1,1,-21,1,-1,1,30,1,-1,1,
 -5,1,-1,1,3,10,-1,1,11,50,-26,1,3,1,-10,1,-5,1,-1,
 1,3,1,-1,10,43,1,-1,1,3,1,-1,1,-50,1,-1,26,3,1,-1,
 1,11,91,-1,1,3,1]