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A064187 as a simple table

na(n)
13
25
323
45
513
67
77
879
937
1023
1167
1289
1313
1489
15131
1631
1771
1847
1943
2073
21277
22353
2341
2467
25127
26223
2779
2813
29193
305
3123
3243
335
3467
353
3619
375
3859
3959
40653
4119
4219
4397
44409
455
46383
4729
48137
49379
50349
51653
521187
5347
5441
5537
5617
57619
5889
59283
60283
6143
62479
63191

[3,5,23,5,13,7,7,79,37,23,67,89,13,89,131,31,71,
 47,43,73,277,353,41,67,127,223,79,13,193,5,23,43,
 5,67,3,19,5,59,59,653,19,19,97,409,5,383,29,137,
 379,349,653,1187,47,41,37,17,619,89,283,283,43,
 479,191]