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A038973 as a simple table

na(n)
12
25
37
411
517
629
737
841
943
1059
1161
1267
1371
1483
1597
16107
17139
18149
19151
20157
21191
22193
23199
24223
25251
26263
27277
28281
29283
30307
31337
32349
33353
34373
35379
36383
37389
38401
39421
40443
41463
42503
43547
44563
45569
46607

[2,5,7,11,17,29,37,41,43,59,61,67,71,83,97,107,
 139,149,151,157,191,193,199,223,251,263,277,281,
 283,307,337,349,353,373,379,383,389,401,421,443,
 463,503,547,563,569,607]