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A256347 as a simple table

na(n)
141
2123
3131
4287
5317
6393
7503
8547
9727
10779
11861
12917
13951
141091
151237
161271
171277
181509
191517
201627
211637
221641
231681
241763
252089
262181
272219
282239
292337
302357
312383
322489
332531
342671
352751
362789

[41,123,131,287,317,393,503,547,727,779,861,917,
 951,1091,1237,1271,1277,1509,1517,1627,1637,1641,
 1681,1763,2089,2181,2219,2239,2337,2357,2383,2489,
 2531,2671,2751,2789]