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A247010 as a simple table

na(n)
17
213
317
429
589
697
7137
8197
9229
10277
11337
12349
13397
14557
15617
16797
17929
18937
191117
201217
211237
221777
232129
242309
252437
262477
272617
282749
292857
302909
313049
323109
333137
343329
353389
364057
374229
384289
394409
405237
415297
425417
435557
445717
455857
466689

[7,13,17,29,89,97,137,197,229,277,337,349,397,557,
 617,797,929,937,1117,1217,1237,1777,2129,2309,
 2437,2477,2617,2749,2857,2909,3049,3109,3137,3329,
 3389,4057,4229,4289,4409,5237,5297,5417,5557,5717,
 5857,6689]