login

A109419 as a simple table

na(n)
15
213
331
461
5103
6157
7173
8239
9331
10431
11439
12509
13521
14541
15557
16569
17577
18593
19643
20647
21659
22683
23691
24719
25727
26821
27829
28853
29857
30877
311019
321031
331039
341223
351453
361621
371637
381657
391669
401693
411697
421879
431907
441931
451951
461979
472153
482161
492213

[5,13,31,61,103,157,173,239,331,431,439,509,521,
 541,557,569,577,593,643,647,659,683,691,719,727,
 821,829,853,857,877,1019,1031,1039,1223,1453,1621,
 1637,1657,1669,1693,1697,1879,1907,1931,1951,1979,
 2153,2161,2213]