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A211426 as a simple table

na(n)
01
15
217
321
433
537
649
753
873
993
10105
11109
12121
13125
14137
15141
16161
17165
18201
19205
20217
21221
22233
23237
24257
25285
26297
27317
28329
29333
30345
31349
32393
33397
34409
35413
36449
37453
38465
39469
40489
41493
42505
43509
44521
45541
46553
47557
48577
49613
50673
51677

[1,5,17,21,33,37,49,53,73,93,105,109,121,125,137,
 141,161,165,201,205,217,221,233,237,257,285,297,
 317,329,333,345,349,393,397,409,413,449,453,465,
 469,489,493,505,509,521,541,553,557,577,613,673,
 677]