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A128228 as a simple table

na(n)
11
22
32
43
56
63
74
88
912
104
115
1210
1315
1420
155
166
1712
1818
1924
2030
216
227
2314
2421
2528
2635
2742
287
298
3016
3124
3232
3340
3448
3556
368
379
3818
3927
4036
4145
4254
4363
4472
459
4610
4720
4830
4940
5050
5160
5270
5380
5490
5510

[1,2,2,3,6,3,4,8,12,4,5,10,15,20,5,6,12,18,24,30,
 6,7,14,21,28,35,42,7,8,16,24,32,40,48,56,8,9,18,
 27,36,45,54,63,72,9,10,20,30,40,50,60,70,80,90,10]