Numbers k such that 403*2^k+1 is prime.

Terms

a(0) =2a(1) =4a(2) =6a(3) =14a(4) =16a(5) =32a(6) =40a(7) =74a(8) =110a(9) =134a(10) =252a(11) =280a(12) =306a(13) =356a(14) =410a(15) =692a(16) =760a(17) =1220a(18) =1286a(19) =1742a(20) =2060a(21) =2514a(22) =3632a(23) =7104a(24) =7376a(25) =10220a(26) =10980a(27) =18914a(28) =20472a(29) =20676