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A080301 as a simple table

na(n)
00
1-1
20
3-1
4-1
5-1
6-1
7-1
8-1
9-1
100
11-1
121
13-1
14-1
15-1
16-1
17-1
18-1
19-1
20-1
21-1
22-1
23-1
24-1
25-1
26-1
27-1
28-1
29-1
30-1
31-1
32-1
33-1
34-1
35-1
36-1
37-1
38-1
39-1
40-1
41-1
420
43-1
441
45-1
46-1
47-1
48-1
49-1
502
51-1
523
53-1
54-1
55-1
564
57-1
58-1
59-1
60-1

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