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A160925 as a simple table

na(n)
1-1
2-1
3-1
4-1
5-1
6-1
7-1
8-1
98
10-1
11-10
12-19
13-28
14-37
15-46
16-55
17-64
18-73
1917
208
21-1
22-10
23-19
24-28
25-37
26-46
27-55
28-64
2926
3017
318
32-1
33-10
34-19
35-28
36-37
37-46
38-55
3935
4026
4117
428
43-1
44-10
45-19
46-28
47-37
48-46
4944
5035
5126
5217
538
54-1
55-10
56-19
57-28
58-37
5953
6044
6135

[-1,-1,-1,-1,-1,-1,-1,-1,8,-1,-10,-19,-28,-37,-46,
 -55,-64,-73,17,8,-1,-10,-19,-28,-37,-46,-55,-64,
 26,17,8,-1,-10,-19,-28,-37,-46,-55,35,26,17,8,-1,
 -10,-19,-28,-37,-46,44,35,26,17,8,-1,-10,-19,-28,
 -37,53,44,35]