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A369686 as a simple table

na(n)
11
22
33
45
52
61
71
87
93
102
111
121
1311
141
151
161
171
185
191
201
211
221
231
242
251
261
271
281
291
307
3113
323
331
341
351
361
371
382
391
401
411
421
431
4417
451
461
4719
481
491
501
511
521
531
541
5523
561
571
581
591
601
611
621
631
641
651
6629
671
681
691
701
711
721
731
7411
751
765
771
781
791
801
811
821
833
8431
851

[1,2,3,5,2,1,1,7,3,2,1,1,11,1,1,1,1,5,1,1,1,1,1,2,
 1,1,1,1,1,7,13,3,1,1,1,1,1,2,1,1,1,1,1,17,1,1,19,
 1,1,1,1,1,1,1,23,1,1,1,1,1,1,1,1,1,1,29,1,1,1,1,1,
 1,1,11,1,5,1,1,1,1,1,1,3,31,1]