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A156210 as a simple table

na(n)
13
27
311
429
541
643
747
859
967
1071
11101
12103
13127
14131
15139
16151
17163
18179
19191
20199
21223
22239
23251
24263
25281
26283
27307
28311
29331
30347
31359
32367
33401
34419
35431
36449
37461
38463
39479
40487
41491
42509
43521
44523
45547
46563
47569
48599
49607
50619
51641
52643
53659
54709

[3,7,11,29,41,43,47,59,67,71,101,103,127,131,139,
 151,163,179,191,199,223,239,251,263,281,283,307,
 311,331,347,359,367,401,419,431,449,461,463,479,
 487,491,509,521,523,547,563,569,599,607,619,641,
 643,659,709]