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A118939 as a simple table

na(n)
13
25
37
411
513
617
729
831
941
1043
1167
1283
13101
14109
15139
16151
17157
18179
19181
20199
21211
22223
23239
24263
25277
26283
27307
28311
29337
30347
31353
32379
33389
34419
35431
36463
37491
38557
39577
40587
41619
42659
43673
44739
45757
46797
47809
48811
49829
50853
51907
52911
53953
54991
551051

[3,5,7,11,13,17,29,31,41,43,67,83,101,109,139,151,
 157,179,181,199,211,223,239,263,277,283,307,311,
 337,347,353,379,389,419,431,463,491,557,577,587,
 619,659,673,739,757,797,809,811,829,853,907,911,
 953,991,1051]