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A106899 as a simple table

na(n)
12
27
353
489
597
6131
7263
8331
9337
10353
11479
12491
13521
14541
15643
16709
17719
18883
19911
201021
211093
221117
231229
241231
251427
261489
271493
281511
291531
301699
311787
321789
331907
341999
352063
362089
372129
382131
392399
402591
412621
422657
432707
442711
452791

[2,7,53,89,97,131,263,331,337,353,479,491,521,541,
 643,709,719,883,911,1021,1093,1117,1229,1231,1427,
 1489,1493,1511,1531,1699,1787,1789,1907,1999,2063,
 2089,2129,2131,2399,2591,2621,2657,2707,2711,2791]