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A233342 as a simple table

na(n)
11
22
34
43
56
68
75
810
99
1012
117
1214
1315
1418
1525
1611
1722
1816
1920
2027
2130
2213
2326
2421
2524
2635
2740
2832
2917
3034
3133
3228
3355
3442
3545
3648
3719
3838
3939
4036
4165
4260
4349
4450
4563
4623
4746
4851
4944
5085
5166
5277
5356
5499
5570
5629
5758
5857
5952
6095
6178
6281
6384
64105
65108
6675

[1,2,4,3,6,8,5,10,9,12,7,14,15,18,25,11,22,16,20,
 27,30,13,26,21,24,35,40,32,17,34,33,28,55,42,45,
 48,19,38,39,36,65,60,49,50,63,23,46,51,44,85,66,
 77,56,99,70,29,58,57,52,95,78,81,84,105,108,75]