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A053615 as a simple table

na(n)
00
11
20
31
42
51
60
71
82
93
102
111
120
131
142
153
164
173
182
191
200
211
222
233
244
255
264
273
282
291
300
311
322
333
344
355
366
375
384
393
402
411
420
431
442
453
464
475
486
497
506
515
524
533
542
551
560
571
582
593
604
615
626
637
648
657
666
675
684
693
702
711
720
731
742
753
764
775
786
797
808
819
828
837
846
855
864
873
882
891
900
911
922
933
944
955
966
977
988
999
10010
1019
1028
1037

[0,1,0,1,2,1,0,1,2,3,2,1,0,1,2,3,4,3,2,1,0,1,2,3,
 4,5,4,3,2,1,0,1,2,3,4,5,6,5,4,3,2,1,0,1,2,3,4,5,6,
 7,6,5,4,3,2,1,0,1,2,3,4,5,6,7,8,7,6,5,4,3,2,1,0,1,
 2,3,4,5,6,7,8,9,8,7,6,5,4,3,2,1,0,1,2,3,4,5,6,7,8,
 9,10,9,8,7]