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A134572 as a simple table

na(n)
15
27
311
417
537
667
783
8113
9199
10227
11241
12251
13283
14367
15373
16401
17433
18457
19479
20569
21571
22613
23643
24659
25701
26727
27743
28757
29769
30839
31919
32941
33977
341019
351031
361049
371103
381109
391171
401187
411201
421249
431279
441367
451399
461423
471433
481471
491487
501493
511583
521601

[5,7,11,17,37,67,83,113,199,227,241,251,283,367,
 373,401,433,457,479,569,571,613,643,659,701,727,
 743,757,769,839,919,941,977,1019,1031,1049,1103,
 1109,1171,1187,1201,1249,1279,1367,1399,1423,1433,
 1471,1487,1493,1583,1601]