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A263725 as a simple table

na(n)
213
317
437
531
631
737
841
941
1043
1147
1259
1361
1489
1579
1671
1779
1879
1989
2097
21109
22127
23107
24109
25109
26113
27139
28131
29139
30151
31149
32157
33157
34173
35181
36173
37191
38191
39193
40197
41223
42199
43211
44233
45239
46229
47233
48263
49257
50263
51271
52271
53277
54271
55281
56281
57293
58293
59311
60349
61317
62353
63331
64353
65353
66359
67419
68359
69419
70379
71419
72397
73401
74431
75409
76409
77433
78461
79443
80487
81449
82541
83487
84463
85569
86479
87467
88487
89491
90503

[13,17,37,31,31,37,41,41,43,47,59,61,89,79,71,79,
 79,89,97,109,127,107,109,109,113,139,131,139,151,
 149,157,157,173,181,173,191,191,193,197,223,199,
 211,233,239,229,233,263,257,263,271,271,277,271,
 281,281,293,293,311,349,317,353,331,353,353,359,
 419,359,419,379,419,397,401,431,409,409,433,461,
 443,487,449,541,487,463,569,479,467,487,491,503]