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A065867 as a simple table

na(n)
15
223
331
441
553
659
767
871
983
1097
11101
12109
13131
14139
15173
16181
17197
18199
19211
20223
21233
22251
23263
24269
25271
26281
27311
28331
29349
30353
31373
32401
33421
34431
35439
36443
37449
38457
39463
40487
41491
42499
43503
44523
45563
46587
47593
48607
49617
50631
51647
52659
53661
54677

[5,23,31,41,53,59,67,71,83,97,101,109,131,139,173,
 181,197,199,211,223,233,251,263,269,271,281,311,
 331,349,353,373,401,421,431,439,443,449,457,463,
 487,491,499,503,523,563,587,593,607,617,631,647,
 659,661,677]