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A057285 as a simple table

na(n)
11
22
33
44
56
69
712
821
927
1063
1181
12106
13147
14189
15243
16372
17441
18567
19729
20861
211029
221323
231701
242187
252241
263087
273594
283969
294347
304473
315103
325622
335966
346561
357203
369261
3711907
3812231
3912663
4015309
4119683
4220204
4321609
4427783
4532628
4632907

[1,2,3,4,6,9,12,21,27,63,81,106,147,189,243,372,
 441,567,729,861,1029,1323,1701,2187,2241,3087,
 3594,3969,4347,4473,5103,5622,5966,6561,7203,9261,
 11907,12231,12663,15309,19683,20204,21609,27783,
 32628,32907]