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A288908 as a simple table

na(n)
15
27
323
437
547
653
789
8157
9173
10211
11251
12257
13263
14293
15331
16337
17359
18367
19373
20389
21409
22479
23631
24691
25701
26709
27719
28787
29797
30839
31919
32929
331163
341171
351201
361249
371259
381381
391399
401409
411471
421511
431523
441531
451637
461709
471733
481801
491811
501823

[5,7,23,37,47,53,89,157,173,211,251,257,263,293,
 331,337,359,367,373,389,409,479,631,691,701,709,
 719,787,797,839,919,929,1163,1171,1201,1249,1259,
 1381,1399,1409,1471,1511,1523,1531,1637,1709,1733,
 1801,1811,1823]