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A293394 as a simple table

na(n)
11
217
341
497
5137
6193
7241
8313
9401
10409
11433
12449
13457
14521
15569
16641
17673
18761
19769
20809
21857
22929
23953
24977
251009
261129
271297
281321
291361
301409
311489
321657
331697
341873
351993
362017
372081
382137
392153
402161

[1,17,41,97,137,193,241,313,401,409,433,449,457,
 521,569,641,673,761,769,809,857,929,953,977,1009,
 1129,1297,1321,1361,1409,1489,1657,1697,1873,1993,
 2017,2081,2137,2153,2161]