Numbers k such that 101*2^k+1 is prime.

Terms

a(0) =3a(1) =9a(2) =17a(3) =21a(4) =27a(5) =39a(6) =45a(7) =47a(8) =71a(9) =95a(10) =117a(11) =123a(12) =143a(13) =173a(14) =387a(15) =389a(16) =513a(17) =633a(18) =827a(19) =971a(20) =1103a(21) =3767a(22) =3831a(23) =7695a(24) =8871a(25) =9809a(26) =10011a(27) =17513a(28) =17873a(29) =22841