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A181697 as a simple table

na(n)
15
22
34
41
53
61
71
81
92
102
111
121
133
141
151
162
171
181
191
201
211
221
232
246
251
261
271
281
291
302
311
322
331
341
351
361
371
381
391
402
415
421
432
441
451
461
471
481
491
501
512
522
531
542
551
561
571
581
591
602
611
622
631
641
651
661
671
681
691
701
711
724
731
741
751
761
771
781
791
801
812
821
832
841
851
862
871
881

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