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A317210 as a simple table

na(n)
121
245
349
481
585
691
793
8111
9117
10121
11133
12141
13145
14165
15175
16177
17201
18205
19209
20213
21217
22221
23231
24235
25247
26253
27261
28265
29273
30289
31291
32301
33309
34319
35325
36333
37357
38361
39365
40369
41381
42391
43411
44415
45441
46445
47451
48453
49465
50469
51477
52481
53493

[21,45,49,81,85,91,93,111,117,121,133,141,145,165,
 175,177,201,205,209,213,217,221,231,235,247,253,
 261,265,273,289,291,301,309,319,325,333,357,361,
 365,369,381,391,411,415,441,445,451,453,465,469,
 477,481,493]