Semi-octavan primes: primes of the form x^4 + y^8.

Terms

a(0) =2a(1) =17a(2) =257a(3) =337a(4) =881a(5) =1297a(6) =2657a(7) =6577a(8) =10657a(9) =14897a(10) =16561a(11) =28817a(12) =65537a(13) =65617a(14) =66161a(15) =80177a(16) =83777a(17) =149057a(18) =160001a(19) =166561a(20) =260017a(21) =280097a(22) =331777a(23) =391921a(24) =394721a(25) =411361a(26) =463537a(27) =596977a(28) =614657a(29) =621217