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A216746 as a simple table

na(n)
15
27
311
413
519
623
729
831
937
1041
1147
1253
1361
1467
1571
1673
1779
1897
19101
20103
21109
22127
23131
24139
25149
26151
27157
28163
29167
30173
31181
32191
33193
34197
35199
36211
37223
38229
39239
40241
41263
42269
43271
44277
45281
46293
47311
48313
49317
50331
51337
52349
53359
54367
55373
56379
57383

[5,7,11,13,19,23,29,31,37,41,47,53,61,67,71,73,79,
 97,101,103,109,127,131,139,149,151,157,163,167,
 173,181,191,193,197,199,211,223,229,239,241,263,
 269,271,277,281,293,311,313,317,331,337,349,359,
 367,373,379,383]