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A126389 as a simple table

na(n)
21
3-1
42
5-2
6-1
71
81
9-1
101
11-1
123
13-3
14-2
152
162
17-2
182
19-2
202
21-2
224
23-4
24-3
253
26-1
271
28-1
291
301
31-1
32-1
331
341
35-1
361
37-1
383
39-3
40-1
411
421
43-1
441
45-1
463
47-3
481
49-1
503
51-3
523
53-3
545
55-5
56-4
574
58-2
592
60-2
612
62-2
632
642
65-2
66-2
672
682
69-2
702
71-2
722
73-2
744
75-4
76-2
772

[1,-1,2,-2,-1,1,1,-1,1,-1,3,-3,-2,2,2,-2,2,-2,2,
 -2,4,-4,-3,3,-1,1,-1,1,1,-1,-1,1,1,-1,1,-1,3,-3,
 -1,1,1,-1,1,-1,3,-3,1,-1,3,-3,3,-3,5,-5,-4,4,-2,2,
 -2,2,-2,2,2,-2,-2,2,2,-2,2,-2,2,-2,4,-4,-2,2]