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A164381 as a simple table

na(n)
01
11
21
31
40
51
61
71
8-1
91
101
110
120
13-1
141
151
161
171
180
191
201
211
220
23-1
240
25-1
261
271
281
291
300
311
320
33-1
341
351
361
370
381
39-1
400
410
42-1
431
441
451
461
47-1
480
491
500
51-1
52-1
531
541
551
560
570
580
591
600
610
62-1
631
641
651
661
671
681
691
70-1
711
720
730
74-1
751
761
771
781
790
80-1
81-1
820
831
840
850
86-1
87-1
881
891
901

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