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A181173 as a simple table

na(n)
12
23
37
411
513
617
719
823
931
1037
1141
1243
1347
1459
1561
1667
1771
1873
1983
2089
2197
22107
23109
24113
25157
26163
27167
28173
29181
30191
31193
32197
33199
34211
35223
36233
37239
38241
39281
40283
41293
42307
43311
44313
45317
46331
47337
48347
49349
50359
51367
52373
53409
54419
55421
56431
57433

[2,3,7,11,13,17,19,23,31,37,41,43,47,59,61,67,71,
 73,83,89,97,107,109,113,157,163,167,173,181,191,
 193,197,199,211,223,233,239,241,281,283,293,307,
 311,313,317,331,337,347,349,359,367,373,409,419,
 421,431,433]