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A245590 as a simple table

na(n)
12
23
37
417
523
641
747
853
959
10101
11149
12157
13173
14179
15193
16211
17229
18233
19239
20241
21251
22311
23347
24349
25353
26359
27373
28379
29383
30389
31409
32421
33439
34443
35457
36479
37499
38509
39521
40541
41571
42577
43599
44619
45641
46661
47691
48701
49719
50751
51761
52769
53809
54823
55829

[2,3,7,17,23,41,47,53,59,101,149,157,173,179,193,
 211,229,233,239,241,251,311,347,349,353,359,373,
 379,383,389,409,421,439,443,457,479,499,509,521,
 541,571,577,599,619,641,661,691,701,719,751,761,
 769,809,823,829]