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A370830 as a simple table

na(n)
12
25
331
443
553
679
783
889
997
10109
11131
12139
13151
14199
15229
16233
17239
18283
19313
20317
21359
22367
23389
24433
25443
26479
27487
28569
29571
30577
31601
32617
33641
34643
35659
36677
37769
38797
39823
40853
41857
42929
43937
44941
45971
461013
471019
481049
491063
501069
511087
521093
531117
541163
551171
561181
571231
581249
591283

[2,5,31,43,53,79,83,89,97,109,131,139,151,199,229,
 233,239,283,313,317,359,367,389,433,443,479,487,
 569,571,577,601,617,641,643,659,677,769,797,823,
 853,857,929,937,941,971,1013,1019,1049,1063,1069,
 1087,1093,1117,1163,1171,1181,1231,1249,1283]