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A242680 as a simple table

na(n)
11
22
33
49
511
641
763
877
991
1099
11219
12303
13411
14999
151353
165291
176363
186993
197777
208547
219009
229191
239901
249999
2512561
2623661
2741841
2847027
2975609
3090243
3199999
32110011
33122859
34124533
35125341
36152207
37169983
38170017
39473211
40487179
41513513
42575757
43578369
44626373
45683527
46703703
47740259
48904761
49999001
50999999
512463661
522709729
532754573

[1,2,3,9,11,41,63,77,91,99,219,303,411,999,1353,
 5291,6363,6993,7777,8547,9009,9191,9901,9999,
 12561,23661,41841,47027,75609,90243,99999,110011,
 122859,124533,125341,152207,169983,170017,473211,
 487179,513513,575757,578369,626373,683527,703703,
 740259,904761,999001,999999,2463661,2709729,
 2754573]