Numbers k such that 3*10^k + 37 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =7a(4) =9a(5) =15a(6) =18a(7) =23a(8) =39a(9) =147a(10) =1104a(11) =1158a(12) =1466a(13) =1514a(14) =1935a(15) =2149a(16) =2203a(17) =2553a(18) =2730a(19) =7169a(20) =9807a(21) =17684a(22) =23828a(23) =25824a(24) =27207a(25) =55679a(26) =94964a(27) =122977a(28) =206927