Numbers k such that 5*10^k + 77 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =19a(7) =27a(8) =37a(9) =56a(10) =66a(11) =136a(12) =148a(13) =387a(14) =534a(15) =536a(16) =1273a(17) =1593a(18) =1796a(19) =2026a(20) =2164a(21) =2502a(22) =6128a(23) =18714a(24) =23327a(25) =25427a(26) =46461a(27) =88182a(28) =88377a(29) =104326