Numbers k such that (35*10^k - 737)/9 is prime.

Terms

a(0) =2a(1) =7a(2) =13a(3) =20a(4) =26a(5) =73a(6) =103a(7) =268a(8) =383a(9) =527a(10) =1748a(11) =2848a(12) =4424a(13) =7933a(14) =8311a(15) =9700a(16) =14872a(17) =18218a(18) =31294a(19) =42032a(20) =55547a(21) =111232