Numbers k such that 149*2^k-1 is prime.

Terms

a(0) =4a(1) =16a(2) =48a(3) =60a(4) =240a(5) =256a(6) =304a(7) =2644a(8) =3720a(9) =25132a(10) =39472a(11) =212460a(12) =592968