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A203994 as a simple table

na(n)
11
20
30
4-1
51
6-1
7-2
80
90
10-2
11-3
12-1
131
14-1
15-3
16-4
17-2
180
190
20-2
21-4
22-5
23-3
24-1
251
26-1
27-3
28-5
29-6
30-4
31-2
320
330
34-2
35-4
36-6
37-7
38-5
39-3
40-1
411
42-1
43-3
44-5
45-7
46-8
47-6
48-4
49-2
500
510
52-2
53-4
54-6
55-8
56-9
57-7
58-5
59-3
60-1
611
62-1
63-3
64-5
65-7
66-9

[1,0,0,-1,1,-1,-2,0,0,-2,-3,-1,1,-1,-3,-4,-2,0,0,
 -2,-4,-5,-3,-1,1,-1,-3,-5,-6,-4,-2,0,0,-2,-4,-6,
 -7,-5,-3,-1,1,-1,-3,-5,-7,-8,-6,-4,-2,0,0,-2,-4,
 -6,-8,-9,-7,-5,-3,-1,1,-1,-3,-5,-7,-9]