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A303759 as a simple table

na(n)
11
21
31
41
51
62
71
81
91
102
111
122
131
142
153
161
171
182
191
204
213
222
231
242
251
262
271
284
291
305
311
321
333
342
355
363
371
382
393
403
411
426
431
444
454
462
471
482
491
502
513
524
531
542
555
564
573
582
591
606
611
622
635
641
655
666
671
684
693
707
711
726
731
742
753
764
777
786
791
803
811
822
831
848
855
862
873
888
891
907
917
924
933
942
955
962
971
982
999
1004
1011
1026
1031
1048
1059

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