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A211684 as a simple table

na(n)
11131
21137
31139
41271
51277
61311
71313
81317
91373
101379
111397
121491
131499
141571
151577
161631
171673
181677
191733
201739
211797
221811
231911
241919
251937
261971
271977
281991
291997
302113
312233
322239
332271
342277
352293
362331
372337
382397
392419
402571

[1131,1137,1139,1271,1277,1311,1313,1317,1373,
 1379,1397,1491,1499,1571,1577,1631,1673,1677,1733,
 1739,1797,1811,1911,1919,1937,1971,1977,1991,1997,
 2113,2233,2239,2271,2277,2293,2331,2337,2397,2419,
 2571]