Numbers k such that (49*10^k + 383)/9 is prime.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =19a(5) =43a(6) =64a(7) =71a(8) =127a(9) =181a(10) =370a(11) =373a(12) =742a(13) =1085a(14) =1171a(15) =1438a(16) =2038a(17) =2269a(18) =2819a(19) =4802a(20) =7742a(21) =12010a(22) =47120a(23) =55129a(24) =139442a(25) =186409