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A239391 as a simple table

na(n)
11
23
35
47
511
613
717
829
937
1041
1143
1267
1395
1497
15109
16113
17115
18119
19167
20179
21181
22205
23211
24215
25229
26235
27265
28281
29319
30359
31373
32401
33413
34421
35439
36443
37461
38505
39545
40559
41719
42745
43775
44941

[1,3,5,7,11,13,17,29,37,41,43,67,95,97,109,113,
 115,119,167,179,181,205,211,215,229,235,265,281,
 319,359,373,401,413,421,439,443,461,505,545,559,
 719,745,775,941]