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A242989 as a simple table

na(n)
137
239
349
473
597
6123
7139
8159
9211
10213
11219
12253
13273
14291
15313
16327
17337
18339
19369
20399
21409
22477
23481
24511
25529
26531
27579
28589
29607
30633
31643
32663
33697
34717
35723
36733
37753
38787
39789
40819
41831
42841
43891
44909
45919
46967
47987
481041
491117
501131
511281
521377

[37,39,49,73,97,123,139,159,211,213,219,253,273,
 291,313,327,337,339,369,399,409,477,481,511,529,
 531,579,589,607,633,643,663,697,717,723,733,753,
 787,789,819,831,841,891,909,919,967,987,1041,1117,
 1131,1281,1377]