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A120239 as a simple table

na(n)
11
23
34
42
58
69
711
812
95
106
1117
127
1321
1422
1524
1625
1710
1829
1930
2032
2133
2213
2314
2438
2515
2616
2743
2845
2946
3018
3119
3251
3320
3455
3556
3658
3759
3823
3963
4064
4166
4267
4326
4427
4572
4628
4776
4877
4979
5080
5131
5284
5385
5487
5588
5634
5735
5893
5936
6037
6198
62100
63101
6439
6540
66106
6741
6842
69111
70113

[1,3,4,2,8,9,11,12,5,6,17,7,21,22,24,25,10,29,30,
 32,33,13,14,38,15,16,43,45,46,18,19,51,20,55,56,
 58,59,23,63,64,66,67,26,27,72,28,76,77,79,80,31,
 84,85,87,88,34,35,93,36,37,98,100,101,39,40,106,
 41,42,111,113]