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A003630 as a simple table

na(n)
15
27
317
419
529
631
741
843
953
1067
1179
1289
13101
14103
15113
16127
17137
18139
19149
20151
21163
22173
23197
24199
25211
26223
27233
28257
29269
30271
31281
32283
33293
34307
35317
36331
37353
38367
39379
40389
41401
42439
43449
44461
45463
46487
47499
48509
49521
50523
51547
52557
53569
54571
55593

[5,7,17,19,29,31,41,43,53,67,79,89,101,103,113,
 127,137,139,149,151,163,173,197,199,211,223,233,
 257,269,271,281,283,293,307,317,331,353,367,379,
 389,401,439,449,461,463,487,499,509,521,523,547,
 557,569,571,593]