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A228830 as a simple table

na(n)
12
23
35
423
537
643
759
889
9103
10127
11149
12151
13163
14197
15199
16277
17347
18379
19409
20443
21449
22487
23617
24619
25631
26641
27643
28823
29829
30853
31859
32887
33929
34953
35997
361069
371151
381181
391303
401321
411381
421493
431499
441543
451583
461613
471637
481747
491867
501889
512027
522053

[2,3,5,23,37,43,59,89,103,127,149,151,163,197,199,
 277,347,379,409,443,449,487,617,619,631,641,643,
 823,829,853,859,887,929,953,997,1069,1151,1181,
 1303,1321,1381,1493,1499,1543,1583,1613,1637,1747,
 1867,1889,2027,2053]