Numbers k such that 4*10^k + 93 is prime.

Terms

a(0) =0a(1) =3a(2) =4a(3) =5a(4) =6a(5) =16a(6) =20a(7) =21a(8) =27a(9) =29a(10) =68a(11) =81a(12) =89a(13) =100a(14) =125a(15) =388a(16) =737a(17) =869a(18) =1398a(19) =2614a(20) =8111a(21) =14777a(22) =15696a(23) =22299a(24) =42423a(25) =52272a(26) =84346a(27) =157150a(28) =180360