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A129228 as a simple table

na(n)
12
25
35
47
52
65
711
813
917
1011
117
1219
137
1411
1517
1617
1711
1819
195
207
2111
227
2337
2419
2541
2641
2717
2811
2923
3019
317
3217
3313
3437
3511
3619
3759
3861
3941
407
4143
4211
4317
4471
4571
4629
4737
4819
4911
5079
5123
5241
5343
5417
5529
5611
5761
5861
5931
6097
6197
6213
6311
64101
65103
6613
6753
68107
6931
7011
71113
7219
7323

[2,5,5,7,2,5,11,13,17,11,7,19,7,11,17,17,11,19,5,
 7,11,7,37,19,41,41,17,11,23,19,7,17,13,37,11,19,
 59,61,41,7,43,11,17,71,71,29,37,19,11,79,23,41,43,
 17,29,11,61,61,31,97,97,13,11,101,103,13,53,107,
 31,11,113,19,23]