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A075239 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1037
1143
1247
1367
1471
1573
1679
1783
1897
19101
20109
21113
22127
23139
24151
25157
26163
27173
28179
29181
30191
31193
32197
33227
34229
35239
36241
37331
38337
39353
40367
41373
42379
43383
44389
45397
46419
47433
48439
49457
50463
51479
52571
53577
54593
55599
56601
57607

[2,3,5,7,11,13,17,19,23,37,43,47,67,71,73,79,83,
 97,101,109,113,127,139,151,157,163,173,179,181,
 191,193,197,227,229,239,241,331,337,353,367,373,
 379,383,389,397,419,433,439,457,463,479,571,577,
 593,599,601,607]