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A102725 as a simple table

na(n)
15
213
331
443
567
697
7139
8191
9227
10311
11373
12433
13523
14607
15719
16827
17947
181091
191229
201367
211511
221663
231861
242039
252237
262423
272633
282861
293089
303329
313617
323877
334133
344421
354721
365009
375351
385659
396011
406359
416761
427121
437517
447877
458273
468663
479137

[5,13,31,43,67,97,139,191,227,311,373,433,523,607,
 719,827,947,1091,1229,1367,1511,1663,1861,2039,
 2237,2423,2633,2861,3089,3329,3617,3877,4133,4421,
 4721,5009,5351,5659,6011,6359,6761,7121,7517,7877,
 8273,8663,9137]