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A163805 as a simple table

na(n)
01
1-1
20
31
40
5-1
60
71
80
9-1
100
111
120
13-1
140
151
160
17-1
180
191
200
21-1
220
231
240
25-1
260
271
280
29-1
300
311
320
33-1
340
351
360
37-1
380
391
400
41-1
420
431
440
45-1
460
471
480
49-1
500
511
520
53-1
540
551
560
57-1
580
591
600
61-1
620
631
640
65-1
660
671
680
69-1
700
711
720
73-1
740
751
760
77-1
780
791
800
81-1
820
831
840
85-1
860
871
880
89-1
900
911
920
93-1
940
951
960
97-1
980
991
1000
101-1
1020
1031
1040

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