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A333470 as a simple table

na(n)
11
23
32
44
55
66
77
89
98
1011
1110
1213
1312
1415
1514
1616
1717
1818
1919
2020
2121
2222
2323
2424
2525
2626
2727
2828
2929
3030
3131
3233
3332
3435
3534
3637
3736
3839
3938
4041
4140
4243
4342
4445
4544
4647
4746
4849
4948
5051
5150
5253
5352
5455
5554
5657
5756
5859
5958
6061
6160
6263
6362
6464
6565
6666
6767
6868
6969
7070
7171
7272
7373
7474
7575
7676
7777
7878
7979
8080

[1,3,2,4,5,6,7,9,8,11,10,13,12,15,14,16,17,18,19,
 20,21,22,23,24,25,26,27,28,29,30,31,33,32,35,34,
 37,36,39,38,41,40,43,42,45,44,47,46,49,48,51,50,
 53,52,55,54,57,56,59,58,61,60,63,62,64,65,66,67,
 68,69,70,71,72,73,74,75,76,77,78,79,80]