Numbers k such that 8*10^k - 49 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =8a(4) =24a(5) =49a(6) =57a(7) =74a(8) =104a(9) =131a(10) =144a(11) =162a(12) =182a(13) =246a(14) =302a(15) =352a(16) =557a(17) =581a(18) =589a(19) =704a(20) =939a(21) =1181a(22) =1937a(23) =2157a(24) =4463a(25) =6013a(26) =7266a(27) =8504a(28) =8691a(29) =16129