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A216587 as a simple table

na(n)
0-1
10
21
32
43
54
65
76
87
98
109
11-1
12-1
13-1
14-1
15-1
16-1
17-1
18-1
19-1
20-1
2110
2211
2312
2413
2514
2615
2716
2817
2918
30-1
3120
3221
3322
3423
3524
3625
3726
3827
3928
40-1
4130
4231
4332
4433
4534
4635
4736
4837
4938
50-1
5140
5241
5342
5443
5544
5645
5746
5847
5948
60-1
6150
6251
6352
6453
6554
6655
6756
6857
6958
70-1
7160
7261
7362
7463

[-1,0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,-1,-1,
 -1,-1,10,11,12,13,14,15,16,17,18,-1,20,21,22,23,
 24,25,26,27,28,-1,30,31,32,33,34,35,36,37,38,-1,
 40,41,42,43,44,45,46,47,48,-1,50,51,52,53,54,55,
 56,57,58,-1,60,61,62,63]