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A272197 as a simple table

na(n)
12
23
35
411
511
611
717
811
923
1029
1135
1247
1341
1435
1547
1653
1759
1847
1983
2071
2183
2283
2383
2489
2583
26101
2783
28107
29107
30113
31107
32131
33137
34155
35149
36155
37143
38155
39167
40173
41179
42155
43191
44191
45197
46227
47227
48251
49227
50251
51233
52239
53227
54251
55257
56263
57269
58299
59251
60281

[2,3,5,11,11,11,17,11,23,29,35,47,41,35,47,53,59,
 47,83,71,83,83,83,89,83,101,83,107,107,113,107,
 131,137,155,149,155,143,155,167,173,179,155,191,
 191,197,227,227,251,227,251,233,239,227,251,257,
 263,269,299,251,281]