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A037841 as a simple table

na(n)
10
20
30
40
50
60
70
80
91
100
111
122
133
144
155
166
177
182
191
200
211
222
233
244
255
266
273
282
291
300
311
322
333
344
355
364
373
382
391
400
411
422
433
444
455
464
473
482
491
500
511
522
533
546
555
564
573
582
591
600
611
622
637
646
655
664
673
682
691
700
711
728
737
746
755
764
773
782
791
800
811
822
833
844
855
866
877
888
899
901

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