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A373745 as a simple table

na(n)
12
21
33
41
53
63
72
82
93
103
111
124
134
145
153
165
173
183
192
202
213
222
234
243
252
264
272
285
293
302
311
322
333
344
356
364
373
384
394
405
413
425
433
442
454
462
474
483
492
504
514
523
532
543
552
562
573
582
596
602
613
624
632
643
652
663
674
686
695
705
713
723
733
745
753
763
774
783
793
802
814
824
835
843
853
863
872
883
893
902
914
923
932
945

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