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A181423 as a simple table

na(n)
15
217
337
479
597
6101
7127
8181
9227
10229
11241
12283
13311
14359
15389
16397
17421
18457
19521
20547
21577
22631
23769
24787
25811
26821
27859
28967
291021
301039
311051
321109
331153
341327
351399
361429
371447
381523
391579
401597
411699
421721
431723
441787
451871
461997
471999
482081
492141

[5,17,37,79,97,101,127,181,227,229,241,283,311,
 359,389,397,421,457,521,547,577,631,769,787,811,
 821,859,967,1021,1039,1051,1109,1153,1327,1399,
 1429,1447,1523,1579,1597,1699,1721,1723,1787,1871,
 1997,1999,2081,2141]