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A054690 as a simple table

na(n)
27
319
443
573
673
7349
8349
9349
10349
11349
12349
13661
14661
15661
16661
17661
18661
19661
20661
218629
228629
238629
248629
2513399
2613399
2713399
2814629
2914629
3024421
3124421
3224421
3324421
3424421
3524421
3624421
3724421
3824421
3924421
4024421
4124421
4224421

[7,19,43,73,73,349,349,349,349,349,349,661,661,
 661,661,661,661,661,661,8629,8629,8629,8629,13399,
 13399,13399,14629,14629,24421,24421,24421,24421,
 24421,24421,24421,24421,24421,24421,24421,24421,
 24421]