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A069217 as a simple table

na(n)
11
22
33
45
57
611
7101
8131
9151
10181
11191
12313
13353
14373
15383
16727
17757
18787
19797
20919
21929
2210301
2310501
2410601
2511311
2611411
2712421
2812721
2912821
3013331
3113831
3213931
3314341
3414741
3515451
3615551
3716061
3816361
3916561
4016661
4117471
4217971
4318181

[1,2,3,5,7,11,101,131,151,181,191,313,353,373,383,
 727,757,787,797,919,929,10301,10501,10601,11311,
 11411,12421,12721,12821,13331,13831,13931,14341,
 14741,15451,15551,16061,16361,16561,16661,17471,
 17971,18181]