Numbers k such that 207*2^k + 1 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =6a(4) =7a(5) =10a(6) =14a(7) =15a(8) =16a(9) =34a(10) =42a(11) =44a(12) =46a(13) =62a(14) =66a(15) =106a(16) =127a(17) =130a(18) =171a(19) =202a(20) =231a(21) =232a(22) =238a(23) =248a(24) =256a(25) =296a(26) =314a(27) =412a(28) =604a(29) =956