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A061240 as a simple table

na(n)
15
223
341
459
5113
6131
7149
8167
9239
10257
11293
12311
13347
14383
15401
16419
17491
18509
19563
20599
21617
22653
23743
24761
25797
26887
27941
28977
291013
301031
311049
321103
331193
341229
351283
361301
371319
381373
391409
401427
411481
421499
431553
441571
451607
461697
471733
481787

[5,23,41,59,113,131,149,167,239,257,293,311,347,
 383,401,419,491,509,563,599,617,653,743,761,797,
 887,941,977,1013,1031,1049,1103,1193,1229,1283,
 1301,1319,1373,1409,1427,1481,1499,1553,1571,1607,
 1697,1733,1787]