Numbers k such that k prefixed by '8' and followed by '3' is prime.

Terms

a(0) =2a(1) =5a(2) =6a(3) =8a(4) =12a(5) =23a(6) =24a(7) =26a(8) =27a(9) =29a(10) =35a(11) =36a(12) =42a(13) =44a(14) =51a(15) =54a(16) =56a(17) =57a(18) =62a(19) =66a(20) =69a(21) =71a(22) =75a(23) =78a(24) =80a(25) =86a(26) =89a(27) =92a(28) =93a(29) =96