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A248393 as a simple table

na(n)
11
22
31
43
54
64
72
86
97
107
115
127
135
147
156
1610
178
1810
199
2011
217
2213
2312
2416
2514
2614
2710
2814
2910
3014
3111
3217
3313
3417
3514
3618
3712
3820
3917
4023
4119
4221
4316
4424
4518
4624
4719
4825
4917
5029
5126
5230
5324
5430
5524
5632
5728
5828
5920
6028
6120
6228
6321

[1,2,1,3,4,4,2,6,7,7,5,7,5,7,6,10,8,10,9,11,7,13,
 12,16,14,14,10,14,10,14,11,17,13,17,14,18,12,20,
 17,23,19,21,16,24,18,24,19,25,17,29,26,30,24,30,
 24,32,28,28,20,28,20,28,21]