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A284509 as a simple table

na(n)
11
22
33
45
56
67
79
810
911
1016
1117
1218
1320
1421
1522
1624
1725
1826
1928
2029
2130
2235
2336
2437
2539
2640
2741
2843
2944
3045
3147
3248
3349
3454
3555
3656
3761
3862
3963
4068
4169
4270
4375
4476
4577
4679
4780
4881
4983
5084
5185
5287
5388
5489
5594
5695
5796
5898
5999
60100
61102
62103
63104
64106
65107

[1,2,3,5,6,7,9,10,11,16,17,18,20,21,22,24,25,26,
 28,29,30,35,36,37,39,40,41,43,44,45,47,48,49,54,
 55,56,61,62,63,68,69,70,75,76,77,79,80,81,83,84,
 85,87,88,89,94,95,96,98,99,100,102,103,104,106,
 107]