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A055025 as a simple table

na(n)
12
25
39
413
517
629
737
841
949
1053
1161
1273
1389
1497
15101
16109
17113
18121
19137
20149
21157
22173
23181
24193
25197
26229
27233
28241
29257
30269
31277
32281
33293
34313
35317
36337
37349
38353
39361
40373
41389
42397
43401
44409
45421
46433
47449
48457
49461
50509
51521
52529
53541
54557
55569

[2,5,9,13,17,29,37,41,49,53,61,73,89,97,101,109,
 113,121,137,149,157,173,181,193,197,229,233,241,
 257,269,277,281,293,313,317,337,349,353,361,373,
 389,397,401,409,421,433,449,457,461,509,521,529,
 541,557,569]