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A065510 as a simple table

na(n)
12
23
35
411
537
643
747
871
9131
10157
11223
12251
13257
14307
15487
16641
171087
181093
191187
201291
211433
221567
231621
241637
251831
261873
271901
282017
292111
302143
312293
322333
332473
342621
352663
362683
372707
382777
392843
402903
413257
423413
433463
443613
453617
463761
473793

[2,3,5,11,37,43,47,71,131,157,223,251,257,307,487,
 641,1087,1093,1187,1291,1433,1567,1621,1637,1831,
 1873,1901,2017,2111,2143,2293,2333,2473,2621,2663,
 2683,2707,2777,2843,2903,3257,3413,3463,3613,3617,
 3761,3793]