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A092950 as a simple table

na(n)
13
22
33
417
55
613
77
817
919
1029
1111
1273
1313
1429
1531
1641
1717
1837
1919
2041
2143
2253
2323
2473
2531
2653
2729
28137
2929
3061
3131
3273
3367
34149
3571
3673
3737
38101
3979
4089
4141
42109
4343
4489
4547
46101
4747
4897
49107
50101
51103
52113
5353
54109
5561
56113
5759
58197
5959
60241
6161
62149
63127
64137
65131
66157

[3,2,3,17,5,13,7,17,19,29,11,73,13,29,31,41,17,37,
 19,41,43,53,23,73,31,53,29,137,29,61,31,73,67,149,
 71,73,37,101,79,89,41,109,43,89,47,101,47,97,107,
 101,103,113,53,109,61,113,59,197,59,241,61,149,
 127,137,131,157]