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A140080 as a simple table

na(n)
00
11
21
30
41
52
60
71
81
90
102
111
120
131
141
150
161
172
180
191
202
210
221
231
240
251
261
270
281
291
300
311
321
330
342
351
360
371
381
390
402
411
420
431
441
450
461
471
480
491
501
510
521
531
540
551
561
570
581
591
600
611
621
630
641
652
660
671
682
690
701
711
720
731
741
750
761
771
780
791
802
810
821
831
840
851
861
870
881
891
900
911
921
930
941
951
960
971
981

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