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A072582 as a simple table

na(n)
12
217
341
4101
5157
6179
7181
8197
9227
10229
11271
12277
13293
14347
15349
16373
17397
18401
19449
20563
21571
22587
23601
24619
25647
26661
27757
28797
29811
30821
31829
32853
33929
34947
35953
36971
37977
38997
391039
401103
411129
421213
431231
441237
451303
461307
471409
481433
491459

[2,17,41,101,157,179,181,197,227,229,271,277,293,
 347,349,373,397,401,449,563,571,587,601,619,647,
 661,757,797,811,821,829,853,929,947,953,971,977,
 997,1039,1103,1129,1213,1231,1237,1303,1307,1409,
 1433,1459]