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A089255 as a simple table

na(n)
15
29
311
417
521
623
729
833
939
1047
1151
1253
1357
1459
1571
1677
1781
1889
1993
2099
21101
22117
23119
24123
25131
26137
27141
28143
29149
30159
31161
32171
33177
34179
35189
36197
37201
38203
39207
40213
41219
42227
43231
44233
45257
46263
47273
48281
49287
50291
51299
52303
53309
54311
55323
56329
57333

[5,9,11,17,21,23,29,33,39,47,51,53,57,59,71,77,81,
 89,93,99,101,117,119,123,131,137,141,143,149,159,
 161,171,177,179,189,197,201,203,207,213,219,227,
 231,233,257,263,273,281,287,291,299,303,309,311,
 323,329,333]