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A247797 as a simple table

na(n)
12
23
35
47
511
623
713
829
917
1041
1131
1243
1319
1447
1537
1661
1753
1867
1959
2083
2171
2289
2373
24137
2579
26113
2797
28131
29101
30139
31103
32151
33107
34157
35109
36173
37127
38179
39149
40191
41163
42193
43167
44197
45181
46199
47211
48223
49227
50229
51233
52241
53251
54263
55239
56269
57257

[2,3,5,7,11,23,13,29,17,41,31,43,19,47,37,61,53,
 67,59,83,71,89,73,137,79,113,97,131,101,139,103,
 151,107,157,109,173,127,179,149,191,163,193,167,
 197,181,199,211,223,227,229,233,241,251,263,239,
 269,257]