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A139840 as a simple table

na(n)
117
229
353
489
5137
6197
7269
8353
9389
10401
11449
12461
13509
14557
15569
16641
17677
18761
19773
20797
21809
22821
23881
24929
25941
26953
271013
281049
291097
301109
311181
321193
331277
341301
351481
361553
371697
381877
391889
401913
411949
421997
432069
442129
452213
462297

[17,29,53,89,137,197,269,353,389,401,449,461,509,
 557,569,641,677,761,773,797,809,821,881,929,941,
 953,1013,1049,1097,1109,1181,1193,1277,1301,1481,
 1553,1697,1877,1889,1913,1949,1997,2069,2129,2213,
 2297]