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A118850 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1237
1341
1443
1547
1653
1759
1861
1967
2073
2197
22109
23131
24149
25191
26193
27197
28211
29227
30229
31233
32239
33241
34271
35283
36347
37367
38373
39379
40401
41419
42421
43439
44463
45491
46503
47509
48547
49569
50577
51587
52593
53613
54619
55631
56677

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,
 61,67,73,97,109,131,149,191,193,197,211,227,229,
 233,239,241,271,283,347,367,373,379,401,419,421,
 439,463,491,503,509,547,569,577,587,593,613,619,
 631,677]