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A106893 as a simple table

na(n)
13
25
331
459
567
671
797
8137
9181
10223
11229
12251
13313
14353
15367
16383
17443
18449
19463
20467
21521
22619
23631
24641
25647
26653
27661
28691
29719
30727
31797
32829
33839
34947
35977
361013
371039
381049
391061
401093
411103
421213
431303
441321
451409
461453
471483
481499
491511

[3,5,31,59,67,71,97,137,181,223,229,251,313,353,
 367,383,443,449,463,467,521,619,631,641,647,653,
 661,691,719,727,797,829,839,947,977,1013,1039,
 1049,1061,1093,1103,1213,1303,1321,1409,1453,1483,
 1499,1511]