login

A268812 as a simple table

na(n)
12
23
35
47
511
613
717
823
931
1053
1159
1261
1389
14191
15277
16283
17887
181373
191979
203037

[2,3,5,7,11,13,17,23,31,53,59,61,89,191,277,283,
 887,1373,1979,3037]