Numbers n such that 87*2^n-1 is prime.

Terms

a(0) =1a(1) =2a(2) =8a(3) =9a(4) =10a(5) =12a(6) =22a(7) =29a(8) =32a(9) =50a(10) =57a(11) =69a(12) =81a(13) =122a(14) =138a(15) =200a(16) =296a(17) =514a(18) =656a(19) =682a(20) =778a(21) =881a(22) =1422a(23) =1494a(24) =1857a(25) =3060a(26) =3489a(27) =4106a(28) =5129a(29) =5378