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A151685 as a simple table

na(n)
03
17
25
37
417
517
67
77
817
917
1019
1141
1251
1331
149
157
1617
1717
1819
1941
2051
2131
2221
2341
2451
2555
26101
27143
28113
2949
3011
317
3217
3317
3419
3541
3651
3731
3821
3941
4051
4155
42101
43143
44113
4549
4623
4741
4851
4955
50101
51143
52113
5373
54103
55143
56161
57257
58387
59369
60211
6171
6213
637
6417
6517
6619
6741
6851

[3,7,5,7,17,17,7,7,17,17,19,41,51,31,9,7,17,17,19,
 41,51,31,21,41,51,55,101,143,113,49,11,7,17,17,19,
 41,51,31,21,41,51,55,101,143,113,49,23,41,51,55,
 101,143,113,73,103,143,161,257,387,369,211,71,13,
 7,17,17,19,41,51]