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A065557 as a simple table

na(n)
13
25
37
411
517
623
737
841
947
10101
11137
12233
13257
14857
151037
161297
171541
181601
192017
204337
216527
229179
2314401
2416097
2530497
2655387
2761133
2862801
2965537
3072581
3177617
32110177
33152651
34179297
35244967
36299651
37603461
38619697
39686737
401876727

[3,5,7,11,17,23,37,41,47,101,137,233,257,857,1037,
 1297,1541,1601,2017,4337,6527,9179,14401,16097,
 30497,55387,61133,62801,65537,72581,77617,110177,
 152651,179297,244967,299651,603461,619697,686737,
 1876727]