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A167967 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
111
121
132
141
152
161
172
181
192
201
212
221
232
241
252
261
272
281
292
301
312
321
332
341
352
363
371
382
393
401
412
423
431
442
453
461
472
483
491
502
513
521
532
543
551
562
573
581
592
603
611
622
633
641
652
663
671
682
693
704
711
722
733
744
751
762
773
784
791
802
813
824
831
842
853
864
871
882
893
904
911
922
933
944
951
962
973
984
991
1002
1013
1024
1031
1042
1053

[1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,1,2,1,2,1,
 2,1,2,1,2,1,2,1,2,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,
 2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,4,1,2,3,4,
 1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,
 2,3,4,1,2,3]