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A055132 as a simple table

na(n)
1-1
21
3-1
4-1
50
60
71
8-1
91
10-1
11-1
120
130
140
15-1
160
17-1
181
191
201
211
221
230
24-1
250
26-1
270
28-1
291
301
310
32-1
331
340
35-1
361
37-1
380
39-1
400
410
420
43-1
440
45-1
461
470
48-1
49-1
501
51-1
52-1
531
541
551
561
570
580
590
600
610
62-1
630
640
650
661
67-1
68-1
691
701
711
721
731
74-1
750
76-1
77-1
78-1
79-1
800
811
820
831
840
850
860
87-1
880
89-1
900
911
921
93-1
940
95-1
960
970
981
990
1000
1010
1021
1030
1041
105-1

[-1,1,-1,-1,0,0,1,-1,1,-1,-1,0,0,0,-1,0,-1,1,1,1,
 1,1,0,-1,0,-1,0,-1,1,1,0,-1,1,0,-1,1,-1,0,-1,0,0,
 0,-1,0,-1,1,0,-1,-1,1,-1,-1,1,1,1,1,0,0,0,0,0,-1,
 0,0,0,1,-1,-1,1,1,1,1,1,-1,0,-1,-1,-1,-1,0,1,0,1,
 0,0,0,-1,0,-1,0,1,1,-1,0,-1,0,0,1,0,0,0,1,0,1,-1]