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A238814 as a simple table

na(n)
12
23
35
413
541
683
7199
8211
9271
10277
11293
12307
13349
14661
15709
16743
17751
18823
19907
201117
211447
221451
231741
241747
252203
262371
272803
282819
292861
302971
313011
323251
333299
343329
353331
363691
373877
384021
394027
404049
414051
424093
434129
444157
454447
464513
474549
484561
494751
504801
515179
525479
535519
545657
555813
566007
576011
586571
597057
607129

[2,3,5,13,41,83,199,211,271,277,293,307,349,661,
 709,743,751,823,907,1117,1447,1451,1741,1747,2203,
 2371,2803,2819,2861,2971,3011,3251,3299,3329,3331,
 3691,3877,4021,4027,4049,4051,4093,4129,4157,4447,
 4513,4549,4561,4751,4801,5179,5479,5519,5657,5813,
 6007,6011,6571,7057,7129]