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A363752 as a simple table

na(n)
15
27
317
419
523
641
747
853
961
1071
1179
1289
13101
14107
15113
16127
17131
18137
19139
20151
21163
22167
23173
24181
25191
26193
27197
28211
29223
30227
31229
32233
33239
34241
35257
36269
37277
38281
39313
40317
41347
42359
43367
44373
45383
46397
47421
48433
49443
50457
51463
52479
53503
54521
55541

[5,7,17,19,23,41,47,53,61,71,79,89,101,107,113,
 127,131,137,139,151,163,167,173,181,191,193,197,
 211,223,227,229,233,239,241,257,269,277,281,313,
 317,347,359,367,373,383,397,421,433,443,457,463,
 479,503,521,541]