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A138663 as a simple table

na(n)
11
22
33
43
55
63
77
85
98
105
1111
124
1313
148
1511
169
1717
185
1919
2010
2115
2212
2323
245
2525
2614
2718
2815
2929
305
3131
3217
3323
3417
3534
367
3737
3820
3926
4019
4141
427
4343
4423
4528
4623
4747
488
4949
5024
5133
5227
5353
548
5552
5629
5737
5829
5959
606
6161
6232
6342
6433
6559
6613
6767
6834
6946
7030

[1,2,3,3,5,3,7,5,8,5,11,4,13,8,11,9,17,5,19,10,15,
 12,23,5,25,14,18,15,29,5,31,17,23,17,34,7,37,20,
 26,19,41,7,43,23,28,23,47,8,49,24,33,27,53,8,52,
 29,37,29,59,6,61,32,42,33,59,13,67,34,46,30]