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A003983 as a simple table

na(n)
11
21
31
41
52
61
71
82
92
101
111
122
133
142
151
161
172
183
193
202
211
221
232
243
254
263
272
281
291
302
313
324
334
343
352
361
371
382
393
404
415
424
433
442
451
461
472
483
494
505
515
524
533
542
551
561
572
583
594
605
616
625
634
643
652
661
671
682
693
704
715
726
736
745
754
763
772
781
791
802
813
824
835
846
857
866
875
884
893
902
911
921
932
943
954
965
976
987
997
1006
1015
1024
1033
1042
1051

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