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A231481 as a simple table

na(n)
12
23
35
413
517
629
759
867
971
1073
1197
12127
13191
14199
15223
16227
17239
18307
19337
20349
21353
22367
23409
24421
25433
26449
27461
28479
29487
30491
31563
32571
33577
34619
35647
36683
37739
38743
39811
40823
41829
42857
43881
44911
45937
46941
47991
481021
491051
501091
511103
521117
531163
541201
551217
561259
571277
581289

[2,3,5,13,17,29,59,67,71,73,97,127,191,199,223,
 227,239,307,337,349,353,367,409,421,433,449,461,
 479,487,491,563,571,577,619,647,683,739,743,811,
 823,829,857,881,911,937,941,991,1021,1051,1091,
 1103,1117,1163,1201,1217,1259,1277,1289]