Numbers k such that 88*10^k + 7 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =14a(6) =17a(7) =19a(8) =24a(9) =26a(10) =30a(11) =43a(12) =81a(13) =85a(14) =171a(15) =267a(16) =282a(17) =2384a(18) =4201a(19) =4450a(20) =6995a(21) =7170a(22) =15049a(23) =15681a(24) =50547a(25) =67691a(26) =109022