Numbers k such that (7*10^k - 151)/9 is prime.

Terms

a(0) =2a(1) =3a(2) =5a(3) =6a(4) =8a(5) =11a(6) =29a(7) =99a(8) =134a(9) =407a(10) =516a(11) =986a(12) =1482a(13) =2709a(14) =3326a(15) =4395a(16) =5277a(17) =11712a(18) =13067a(19) =22542a(20) =50414a(21) =70616a(22) =110006