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A368181 as a simple table

na(n)
11
22
34
43
55
66
77
89
98
1010
1111
1212
1313
1420
1522
1624
1723
1825
1914
2030
2115
2217
2333
2426
2516
2618
2719
2821
2927
3028
3131
3229
3334
3440
3541
3632
3735
3836
3938
4039
4137
4242
4344
4450
4543
4652
4745
4846
4947
5048
5149
5254
5355
5457
5556
5660
5753
5858
5959
6062
6163
6265
6370
6451
6561
6664
6766
6867
6969
7068
7171
7273
7374
7481
7590
7691
7777

[1,2,4,3,5,6,7,9,8,10,11,12,13,20,22,24,23,25,14,
 30,15,17,33,26,16,18,19,21,27,28,31,29,34,40,41,
 32,35,36,38,39,37,42,44,50,43,52,45,46,47,48,49,
 54,55,57,56,60,53,58,59,62,63,65,70,51,61,64,66,
 67,69,68,71,73,74,81,90,91,77]