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A134323 as a simple table

na(n)
1-1
20
3-1
41
5-1
61
7-1
81
9-1
10-1
111
121
13-1
141
15-1
16-1
17-1
181
191
20-1
211
221
23-1
24-1
251
26-1
271
28-1
291
30-1
311
32-1
33-1
341
35-1
361
371
381
39-1
40-1
41-1
421
43-1
441
45-1
461
471
481
49-1
501
51-1
52-1
531
54-1
55-1
56-1
57-1
581
591
60-1
611
62-1
631
64-1
651
66-1
671
681
69-1
701
71-1
72-1
731
741
751
76-1
77-1
781
79-1
801
81-1
821
83-1
841
851
86-1
87-1
881
89-1
901
91-1
92-1
931
94-1
951
96-1
97-1
98-1
991
1001
1011
102-1

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