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A106086 as a simple table

na(n)
13
25
311
423
547
653
771
8131
9173
10197
11251
12257
13293
14317
15383
16461
17467
18587
19593
20683
21701
22773
23797
24863
25953
26983
271031
281103
291151
301187
311193
321217
331301
341307
351373
361451
371481
381607
391721
401787
412111
422207
432237
442333
452633
462903
473023
483221
493347

[3,5,11,23,47,53,71,131,173,197,251,257,293,317,
 383,461,467,587,593,683,701,773,797,863,953,983,
 1031,1103,1151,1187,1193,1217,1301,1307,1373,1451,
 1481,1607,1721,1787,2111,2207,2237,2333,2633,2903,
 3023,3221,3347]