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A087340 as a simple table

na(n)
12
211
323
429
541
643
747
861
967
1089
11223
12227
13229
14263
15269
16281
17463
18643
19661
20821
21827
22883
23887
241123
251129
261163
271213
281231
291237
301279
311291
321297
331321
341327
351361
361367
371433
381439
391453
401459
411471
421493
431523
441543
451549
461567
471613
481637

[2,11,23,29,41,43,47,61,67,89,223,227,229,263,269,
 281,463,643,661,821,827,883,887,1123,1129,1163,
 1213,1231,1237,1279,1291,1297,1321,1327,1361,1367,
 1433,1439,1453,1459,1471,1493,1523,1543,1549,1567,
 1613,1637]