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A140447 as a simple table

na(n)
17
229
319
441
531
653
737
859
961
1083
1167
1289
1379
14101
15109
16131
17127
18149
19151
20173
21157
22179
23211
24233
25229
26251
27241
28263
29271
30293
31331
32353
33337
34359
35367
36389
37379
38401
39397
40419
41409
42431
43421
44443
45439
46461
47457
48479
49487
50509
51499
52521
53541
54563
55547

[7,29,19,41,31,53,37,59,61,83,67,89,79,101,109,
 131,127,149,151,173,157,179,211,233,229,251,241,
 263,271,293,331,353,337,359,367,389,379,401,397,
 419,409,431,421,443,439,461,457,479,487,509,499,
 521,541,563,547]