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A121243 as a simple table

na(n)
117
273
389
497
5193
6233
7241
8281
9401
10433
11449
12601
13617
14641
15673
16769
17929
18937
19977
201009
211033
221049
231097
241193
251289
261297
271361
281409
291433
301481
311489
321609
331697
341721
351753
361801
371873
381913

[17,73,89,97,193,233,241,281,401,433,449,601,617,
 641,673,769,929,937,977,1009,1033,1049,1097,1193,
 1289,1297,1361,1409,1433,1481,1489,1609,1697,1721,
 1753,1801,1873,1913]