Smallest number k such that k*(2^(2*A000043(n))-1)+1 is prime.

Terms

a(0) =2a(1) =2a(2) =4a(3) =6a(4) =12a(5) =82a(6) =14a(7) =22a(8) =244a(9) =44a(10) =120a(11) =94a(12) =1010a(13) =764a(14) =834a(15) =1076a(16) =516a(17) =3252a(18) =1384a(19) =1664a(20) =7040a(21) =6104a(22) =20942a(23) =14344a(24) =37142a(25) =12522a(26) =12554a(27) =64160a(28) =32172a(29) =44460