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A279956 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1137
1243
1353
1459
1561
1667
1771
1883
19101
20107
21131
22139
23151
24157
25181
26193
27197
28199
29211
30229
31251
32257
33263
34269
35293
36317
37449
38467
39523
40541
41571
42613
43619
44643
45709
46769
47773
48787
49797
50811
51821
52827
53829
54839
55907
56919
57967
58997
591019
601031
611061

[2,3,5,7,11,13,17,19,23,29,37,43,53,59,61,67,71,
 83,101,107,131,139,151,157,181,193,197,199,211,
 229,251,257,263,269,293,317,449,467,523,541,571,
 613,619,643,709,769,773,787,797,811,821,827,829,
 839,907,919,967,997,1019,1031,1061]