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A257234 as a simple table

na(n)
01
11
20
31
40
50
61
70
80
9-1
101
110
120
13-1
141
150
161
170
180
19-1
201
210
221
230
240
251
260
270
28-1
291
300
311
320
330
341
350
360
37-1
381
390
400
41-1
421
430
441
450
460
471
480
490
50-1
511
520
530
54-1
551
560
571
580
590
60-1
611
620
631
640
650
661
670
680
69-1
701
710
720
73-1
741
750
761
770
780
79-1
801
810
821
830
840
851
860
870
88-1
891
900
911
920
930
941
950
960
97-1
981
990
1000
101-1
1021
1030
1041
1050
1060
107-1
1081
1090
1101
1110
1120
1131
1140
1150
116-1
1171
1180
1191
1200
1210
1221
1230
1240
125-1

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