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A115058 as a simple table

na(n)
12
211
331
441
547
653
761
867
971
1073
11101
12107
13109
14113
15131
16137
17151
18157
19179
20181
21191
22193
23211
24223
25229
26241
27251
28263
29271
30277
31281
32283
33307
34311
35331
36347
37359
38373
39379
40389
41401
42421
43431
44443
45449
46461
47463
48467
49487
50491
51509
52521
53541
54547

[2,11,31,41,47,53,61,67,71,73,101,107,109,113,131,
 137,151,157,179,181,191,193,211,223,229,241,251,
 263,271,277,281,283,307,311,331,347,359,373,379,
 389,401,421,431,443,449,461,463,467,487,491,509,
 521,541,547]