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A031215 as a simple table

na(n)
13
27
313
419
529
637
743
853
961
1071
1179
1289
13101
14107
15113
16131
17139
18151
19163
20173
21181
22193
23199
24223
25229
26239
27251
28263
29271
30281
31293
32311
33317
34337
35349
36359
37373
38383
39397
40409
41421
42433
43443
44457
45463
46479
47491
48503
49521
50541
51557
52569

[3,7,13,19,29,37,43,53,61,71,79,89,101,107,113,
 131,139,151,163,173,181,193,199,223,229,239,251,
 263,271,281,293,311,317,337,349,359,373,383,397,
 409,421,433,443,457,463,479,491,503,521,541,557,
 569]