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A004627 as a simple table

na(n)
11
25
313
425
529
637
753
861
965
10101
11109
12125
13145
14149
15157
16169
17173
18181
19185
20197
21229
22265
23269
24277
25293
26305
27317
28325
29349
30373
31377
32389
33397
34421
35461
36481
37505
38509
39541
40545
41557
42613
43625
44653
45661

[1,5,13,25,29,37,53,61,65,101,109,125,145,149,157,
 169,173,181,185,197,229,265,269,277,293,305,317,
 325,349,373,377,389,397,421,461,481,505,509,541,
 545,557,613,625,653,661]