a(n) is the least integer greater than a(n-1) such that a(n-1)*2^a(n) - 1 is prime, a(1) = 1.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =8a(5) =10a(6) =11a(7) =26a(8) =286a(9) =365a(10) =602a(11) =630a(12) =713a(13) =808a(14) =1327a(15) =3561a(16) =3566a(17) =5286a(18) =5477a(19) =10600a(20) =13485a(21) =15441a(22) =17339a(23) =76856a(24) =277718a(25) =279098a(26) =977278a(27) =3437687a(28) =3564664a(29) =3883403