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A145043 as a simple table

na(n)
15
217
323
447
553
671
773
8127
9173
10233
11251
12269
13281
14347
15353
16359
17431
18487
19491
20509
21541
22563
23569
24593
25613
26677
27743
28773
29827
30857
31863
32883
33929
34953
35977
361013
371153
381187
391283
401319
411361
421373
431439
441481
451583
461613
471619
481709
491871
501997

[5,17,23,47,53,71,73,127,173,233,251,269,281,347,
 353,359,431,487,491,509,541,563,569,593,613,677,
 743,773,827,857,863,883,929,953,977,1013,1153,
 1187,1283,1319,1361,1373,1439,1481,1583,1613,1619,
 1709,1871,1997]