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A239217 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1220
1312
1413
1514
1615
1716
1817
1918
2019
2121
2222
2330
2423
2524
2625
2726
2827
2928
3029
3131
3232
3333
3440
3534
3635
3736
3837
3938
4039
4141
4242
4343
4444
4550
4645
4746
4847
4948
5049
5151
5252
5353
5454
5555
5660
5756
5857
5958
6059
6161
6262
6363
6464
6565
6666
6770
6867
6968
7069
7171
7272
7373
7474
7575
7676
7777
7880
7978
8079
8181
8282
8383
8484
8585
8686
8787
8888
8990
9089
9191
9292
9393
9494
9595
9696
9797
9898
9999
100101
101102
102103
103104
104105
105106
106107
107108
108109

[1,2,3,4,5,6,7,8,9,10,11,20,12,13,14,15,16,17,18,
 19,21,22,30,23,24,25,26,27,28,29,31,32,33,40,34,
 35,36,37,38,39,41,42,43,44,50,45,46,47,48,49,51,
 52,53,54,55,60,56,57,58,59,61,62,63,64,65,66,70,
 67,68,69,71,72,73,74,75,76,77,80,78,79,81,82,83,
 84,85,86,87,88,90,89,91,92,93,94,95,96,97,98,99,
 101,102,103,104,105,106,107,108,109]