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A030475 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1237
1341
1443
1547
1653
1759
1861
1967
2071
2173
2279
2383
2489
2597
26113
27131
28137
29139
30151
31157
32173
33179
34191
35193
36197
37199
38211
39223
40227
41229
42233
43239
44241
45251
46257
47263
48269
49271
50277
51281
52283
53293
54311
55313
56317

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,
 61,67,71,73,79,83,89,97,113,131,137,139,151,157,
 173,179,191,193,197,199,211,223,227,229,233,239,
 241,251,257,263,269,271,277,281,283,293,311,313,
 317]