Numbers k such that (25*10^k + 59)/3 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =26a(6) =52a(7) =75a(8) =97a(9) =98a(10) =160a(11) =227a(12) =295a(13) =413a(14) =686a(15) =901a(16) =975a(17) =1088a(18) =1481a(19) =2555a(20) =4001a(21) =4361a(22) =5637a(23) =7568a(24) =8641a(25) =19526a(26) =26633a(27) =92186