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A283308 as a simple table

na(n)
10
20
3-1
41
50
6-1
71
8-1
91
100
11-2
122
130
14-1
151
16-2
172
18-2
192
20-1
211
22-2
232
24-2
252
260
27-3
283
290
30-1
311
32-3
333
34-3
353
36-1
371
38-2
392
40-3
413
42-3
433
44-2
452
460
47-4
484
490
50-1
511
52-4
534
54-4
554
56-1
571
58-3
593
60-3
613
62-2
632
64-4
654
66-4
674
68-2
692
700
71-3
723
73-4
744
75-5
765
77-4
784
79-3
803
810
82-1
831
84-5
855
86-5
875

[0,0,-1,1,0,-1,1,-1,1,0,-2,2,0,-1,1,-2,2,-2,2,-1,
 1,-2,2,-2,2,0,-3,3,0,-1,1,-3,3,-3,3,-1,1,-2,2,-3,
 3,-3,3,-2,2,0,-4,4,0,-1,1,-4,4,-4,4,-1,1,-3,3,-3,
 3,-2,2,-4,4,-4,4,-2,2,0,-3,3,-4,4,-5,5,-4,4,-3,3,
 0,-1,1,-5,5,-5,5]