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A038893 as a simple table

na(n)
13
25
37
417
537
641
743
847
959
1067
1179
1283
1389
14101
15109
16127
17131
18151
19163
20167
21173
22193
23211
24227
25251
26257
27269
28277
29293
30311
31331
32337
33353
34373
35379
36383
37419
38421
39457
40461
41463
42467
43479
44487
45499
46503

[3,5,7,17,37,41,43,47,59,67,79,83,89,101,109,127,
 131,151,163,167,173,193,211,227,251,257,269,277,
 293,311,331,337,353,373,379,383,419,421,457,461,
 463,467,479,487,499,503]