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A072982 as a simple table

na(n)
13
211
317
473
5101
6137
7257
8353
9449
10641
111409
1210753
1315361
1419841
1565537
1669857
17453377
18976193
191514497
205767169
215882353
226187457
238253953
248257537
2570254593
26167772161
27175636481
28302078977
29458924033
30639631361
311265011073

[3,11,17,73,101,137,257,353,449,641,1409,10753,
 15361,19841,65537,69857,453377,976193,1514497,
 5767169,5882353,6187457,8253953,8257537,70254593,
 167772161,175636481,302078977,458924033,639631361,
 1265011073]