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A242740 as a simple table

na(n)
11
23
39
421
527
673
799
8111
9271
10693
11707
12777
13819
14909
15999
162151
172629
183441
193813
204551
216987
227227
237373
249999
2518981
2619019
2720007
2820979
2923199
3024453
3125641
3227027
3327417
3430303
3581819
3682113
3783883
3899999
39125523
40172013
41194841
42201917
43238139

[1,3,9,21,27,73,99,111,271,693,707,777,819,909,
 999,2151,2629,3441,3813,4551,6987,7227,7373,9999,
 18981,19019,20007,20979,23199,24453,25641,27027,
 27417,30303,81819,82113,83883,99999,125523,172013,
 194841,201917,238139]