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A145832 as a simple table

na(n)
13
27
311
415
517
623
729
831
935
1039
1147
1253
1355
1459
1563
1671
1779
1883
1989
2095
2197
22107
23111
24119
25125
26127
27131
28139
29143
30146
31149
32159
33161
34164
35167
36175
37179
38181
39191
40197
41199
42207
43209
44215
45223
46233
47239
48241
49251
50263
51269
52279
53287
54293
55299
56307
57311

[3,7,11,15,17,23,29,31,35,39,47,53,55,59,63,71,79,
 83,89,95,97,107,111,119,125,127,131,139,143,146,
 149,159,161,164,167,175,179,181,191,197,199,207,
 209,215,223,233,239,241,251,263,269,279,287,293,
 299,307,311]