Primes of the form floor((9/8)^k).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =13a(6) =19a(7) =43a(8) =61a(9) =457a(10) =823a(11) =1319a(12) =1669a(13) =2113a(14) =2377a(15) =4283a(16) =15649a(17) =28201a(18) =40153a(19) =763027a(20) =1957763a(21) =3968947a(22) =5023199a(23) =5651099a(24) =14499503a(25) =16311941a(26) =23225401a(27) =52970111a(28) =172010957a(29) =5890223681