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A138015 as a simple table

na(n)
11
21
31
41
52
61
71
82
92
101
111
122
134
142
151
161
172
184
194
202
211
221
232
244
2510
264
272
281
291
302
314
3210
3310
344
352
361
371
382
394
4010
4134
4210
434
442
451
461
472
484
4910
5034
5134
5210
534
542
551
561
572
584
5910
6034
61154
6234
6310
644
652
661
671
682
694
7010
7134
72154
73154
7434
7510
764
772
781

[1,1,1,1,2,1,1,2,2,1,1,2,4,2,1,1,2,4,4,2,1,1,2,4,
 10,4,2,1,1,2,4,10,10,4,2,1,1,2,4,10,34,10,4,2,1,1,
 2,4,10,34,34,10,4,2,1,1,2,4,10,34,154,34,10,4,2,1,
 1,2,4,10,34,154,154,34,10,4,2,1]