Numbers k such that 2^k - 3 is prime.

Terms

a(0) =3a(1) =4a(2) =5a(3) =6a(4) =9a(5) =10a(6) =12a(7) =14a(8) =20a(9) =22a(10) =24a(11) =29a(12) =94a(13) =116a(14) =122a(15) =150a(16) =174a(17) =213a(18) =221a(19) =233a(20) =266a(21) =336a(22) =452a(23) =545a(24) =689a(25) =694a(26) =850a(27) =1736a(28) =2321a(29) =3237