login

A304292 as a simple table

na(n)
131
271
379
483
589
6131
7137
8163
9179
10191
11251
12281
13331
14373
15401
16479
17569
18619
19659
20673
21701
22821
23881
24911
25929
26941
27947
281093
291291
301301
311373
321409
331459
341481
351559
361583
371657
381811
391907
401973
411987
422003
432089
442243
452309
462339
472341
482357
492423

[31,71,79,83,89,131,137,163,179,191,251,281,331,
 373,401,479,569,619,659,673,701,821,881,911,929,
 941,947,1093,1291,1301,1373,1409,1459,1481,1559,
 1583,1657,1811,1907,1973,1987,2003,2089,2243,2309,
 2339,2341,2357,2423]