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A101666 as a simple table

na(n)
00
11
21
32
41
52
61
70
81
92
101
110
121
132
140
151
161
172
181
190
201
212
220
231
241
252
261
270
280
291
301
312
321
332
341
350
361
372
380
391
401
412
421
430
440
451
461
472
481
492
501
510
521
532
540
551
560
571
581
592
601
612
621
630
641
652
661
670
681
692
700
711
721
732
741
750
760
771
781
792
801
812
821
830
841
852
860
871
880
891
901
912
921
932
941
950
961
972
981
990
1001
1012
1020
1031
1041

[0,1,1,2,1,2,1,0,1,2,1,0,1,2,0,1,1,2,1,0,1,2,0,1,
 1,2,1,0,0,1,1,2,1,2,1,0,1,2,0,1,1,2,1,0,0,1,1,2,1,
 2,1,0,1,2,0,1,0,1,1,2,1,2,1,0,1,2,1,0,1,2,0,1,1,2,
 1,0,0,1,1,2,1,2,1,0,1,2,0,1,0,1,1,2,1,2,1,0,1,2,1,
 0,1,2,0,1,1]