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A368978 as a simple table

na(n)
11
21
31
42
51
61
71
82
92
101
111
122
131
141
151
162
171
182
191
202
211
221
231
242
252
261
272
282
291
301
311
323
331
341
351
364
371
381
391
402
411
421
431
442
452
461
471
482
492
502
511
522
531
542
551
562
571
581
591
602
611
621
632
644
651
661
671
682
691
701
711
724
731
741
752
762
771
781
791
802
812
821
831
842
851
861
871

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