login

A309249 as a simple table

na(n)
12
23
35
47
513
673
7113
8173
9193
10197
11359
12373
13937
141117
151153
161531
171571
181597
191777
201951
211979
223119
233313
243517
253539
263557
273571
285119
295399
305591
315779
327159
337177
347351
357393
367573
377757
387793
397933
407951
419133
429511
439533
449931
459973
4611119
4711131

[2,3,5,7,13,73,113,173,193,197,359,373,937,1117,
 1153,1531,1571,1597,1777,1951,1979,3119,3313,3517,
 3539,3557,3571,5119,5399,5591,5779,7159,7177,7351,
 7393,7573,7757,7793,7933,7951,9133,9511,9533,9931,
 9973,11119,11131]