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A144753 as a simple table

na(n)
13
25
37
49
517
621
731
833
965
1073
1193
12107
13127
14129
15257
16273
17313
18341
19381
20403
21443
22471
23513
241025
251057
261137
271193
281273
291317
301397
311453
321571
331651
341707
351831
362047
372049
384097
394161
404321
414433
424593
434681
444841
454953
465189
475349
485461
495709

[3,5,7,9,17,21,31,33,65,73,93,107,127,129,257,273,
 313,341,381,403,443,471,513,1025,1057,1137,1193,
 1273,1317,1397,1453,1571,1651,1707,1831,2047,2049,
 4097,4161,4321,4433,4593,4681,4841,4953,5189,5349,
 5461,5709]