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A292388 as a simple table

na(n)
12
21
34
45
57
66
78
89
915
1010
1112
1214
1318
1416
1520
1617
1719
1822
1924
2026
2132
2230
2336
2428
2538
2634
2740
2842
2944
3043
3121
3250
3339
3429
3548
3645
3731
3852
3946
4058
4154
4262
4355
4441
4556
4660
4766
4868
4972
5074
5164
5278
5384
5476
5563
5657
5780
5886
5988
6094
6190
6292
63100
6470
6596
6698
6782

[2,1,4,5,7,6,8,9,15,10,12,14,18,16,20,17,19,22,24,
 26,32,30,36,28,38,34,40,42,44,43,21,50,39,29,48,
 45,31,52,46,58,54,62,55,41,56,60,66,68,72,74,64,
 78,84,76,63,57,80,86,88,94,90,92,100,70,96,98,82]