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A266640 as a simple table

na(n)
11
22
31
43
52
61
71
84
93
102
111
122
131
141
151
165
174
183
192
201
213
222
231
242
251
261
272
281
291
301
311
326
335
344
353
362
371
384
393
402
411
423
432
441
452
461
471
483
492
501
512
521
531
542
551
561
571
582
591
601
611
621
631
647
656
665
674
683
692
701
715
724
733
742
751
764
773
782
791
803
812
821
832
841
851
864
873
882
891
903
912
921
932
941
951
963
972
981
992
1001
1011
1022
1031
1041
1051

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