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A030087 as a simple table

na(n)
12
23
37
443
547
653
7157
8223
9263
10487
11577
12587
13823
144657
155657
166653
177177
188287
199343
2026777
2136293
2246477
2358787
2472727
2575707
26176777
27363313
28530353
29566653
30959953
311771787
322525557
332555353
342626277
353656363
364414447
377110707
388448343
3920700077
4054475457
4171117177
4272722977
43135135113
44393321293
45457887457
46505053053
47672722627

[2,3,7,43,47,53,157,223,263,487,577,587,823,4657,
 5657,6653,7177,8287,9343,26777,36293,46477,58787,
 72727,75707,176777,363313,530353,566653,959953,
 1771787,2525557,2555353,2626277,3656363,4414447,
 7110707,8448343,20700077,54475457,71117177,
 72722977,135135113,393321293,457887457,505053053,
 672722627]