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A109416 as a simple table

na(n)
15
27
311
413
517
629
731
843
947
1059
1161
1273
1389
1497
15101
16103
17107
18127
19131
20139
21151
22157
23173
24181
25193
26197
27229
28233
29239
30251
31263
32271
33283
34307
35311
36331
37337
38349
39353
40373
41389
42397
43401
44409
45421
46431
47439
48443
49463
50467
51479
52487
53491
54499
55503

[5,7,11,13,17,29,31,43,47,59,61,73,89,97,101,103,
 107,127,131,139,151,157,173,181,193,197,229,233,
 239,251,263,271,283,307,311,331,337,349,353,373,
 389,397,401,409,421,431,439,443,463,467,479,487,
 491,499,503]