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A057985 as a simple table

na(n)
10
21
31
42
51
62
70
81
92
100
110
121
131
142
150
160
171
180
191
201
212
221
232
240
250
261
270
281
291
302
310
321
331
342
351
362
370
381
392
400
410
421
430
441
451
462
470
481
491
502
511
522
530
540
551
561
572
581
592
600
611
622
630
640
651
661
672
680
690
701
710
721
731
742
750
761
771
782
791
802
810
820
831
841
852
861
872
880
891
902
910
920
931
940
951
961

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