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A157145 as a simple table

na(n)
129
2127
3239
4241
5251
6269
7271
8281
9293
10421
11521
12821
13829
141229
151237
161277
171283
181327
191423
201427
211523
221627
231723
241823
252017
262039
272069
282081
292089
302129
312137
322143
332153
342309
352339
362341
372351
382371
392381
402389
412393
422417
432441
442459
452531

[29,127,239,241,251,269,271,281,293,421,521,821,
 829,1229,1237,1277,1283,1327,1423,1427,1523,1627,
 1723,1823,2017,2039,2069,2081,2089,2129,2137,2143,
 2153,2309,2339,2341,2351,2371,2381,2389,2393,2417,
 2441,2459,2531]