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A157658 as a simple table

na(n)
10
21
31
40
51
6-1
71
80
90
10-1
111
120
131
14-1
15-1
160
171
180
191
200
21-1
22-1
231
240
250
26-1
270
280
291
301
311
320
33-1
34-1
35-1
360
371
38-1
39-1
400
411
421
431
440
450
46-1
471
480
490
500
51-1
520
531
540
55-1
560
57-1
58-1
591
600
611
62-1
630
640
65-1
661
671
680
69-1
701
711
720
731
74-1
750
760
77-1
781
791
800
810
82-1
831
840
85-1
86-1
87-1
880
891
900
91-1
920
93-1
94-1
95-1
960
971
980
990
1000

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