login

A003628 as a simple table

na(n)
15
27
313
423
529
631
737
847
953
1061
1171
1279
13101
14103
15109
16127
17149
18151
19157
20167
21173
22181
23191
24197
25199
26223
27229
28239
29263
30269
31271
32277
33293
34311
35317
36349
37359
38367
39373
40383
41389
42397
43421
44431
45439

[5,7,13,23,29,31,37,47,53,61,71,79,101,103,109,
 127,149,151,157,167,173,181,191,197,199,223,229,
 239,263,269,271,277,293,311,317,349,359,367,373,
 383,389,397,421,431,439]