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A238469 as a simple table

na(n)
00
11
20
30
40
50
6-1
70
81
90
100
110
120
13-1
140
151
160
170
180
190
20-1
210
221
230
240
250
260
27-1
280
291
300
310
320
330
34-1
350
361
370
380
390
400
41-1
420
431
440
450
460
470
48-1
490
501
510
520
530
540
55-1
560
571
580
590
600
610
62-1
630
641
650
660
670
680
69-1
700
711
720
730
740
750
76-1
770
781
790
800
810
820
83-1
840
851
860
870
880
890
90-1

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