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A023589 as a simple table

na(n)
11
21
31
42
51
61
72
82
91
101
112
122
131
142
152
161
172
182
192
202
212
222
231
241
253
262
272
282
292
301
313
321
332
342
352
362
373
382
392
401
411
422
431
442
452
463
472
482
493
502
511
521
533
541
552
562
572
582
593
601
612
621
633
642
653
662
673
682
692
702
712
721
733
742
753
762
772
783
792
803
811
822
831
842
852
861
872
883
892
902
913
922
933
941
952
962
971
982
992

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