Numbers k such that 297*2^k + 1 is prime.

Terms

a(0) =3a(1) =6a(2) =14a(3) =15a(4) =20a(5) =27a(6) =38a(7) =123a(8) =276a(9) =327a(10) =380a(11) =411a(12) =546a(13) =819a(14) =1155a(15) =1274a(16) =1800a(17) =1875a(18) =3135a(19) =3411a(20) =7514a(21) =9446a(22) =12615a(23) =23400a(24) =23564a(25) =99344a(26) =108258a(27) =148988a(28) =153818a(29) =157623