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A348581 as a simple table

na(n)
11
21
31
42
51
62
71
82
93
102
111
123
131
142
153
162
171
183
191
204
213
222
231
243
255
262
273
284
291
305
311
324
333
342
355
364
371
382
393
405
411
426
431
444
455
462
471
486
497
505
513
524
531
546
555
567
573
582
591
606
611
622
637
648
655
666
671
684
693
707
711
728
731
742
755
764
777
786
791
808
819
822
831
847
855
862
873

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