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A176240 as a simple table

na(n)
13
237
337
461
561
661
771
889
989
10107
11113
12139
13139
14181
15199
16223
17227
18227
19269
20283
21293
22313
23313
24331
25347
26347
27349
28373
29373
30379
31401
32433
33433
34487
35487
36487
37503
38521
39521
40523
41557
42569
43569
44593
45647
46653
47653
48743
49757
50761
51773
52787
53797
54809

[3,37,37,61,61,61,71,89,89,107,113,139,139,181,
 199,223,227,227,269,283,293,313,313,331,347,347,
 349,373,373,379,401,433,433,487,487,487,503,521,
 521,523,557,569,569,593,647,653,653,743,757,761,
 773,787,797,809]