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

Terms

a(0) =5a(1) =7a(2) =19a(3) =23a(4) =87a(5) =107a(6) =255a(7) =1539a(8) =2387a(9) =4457a(10) =5623a(11) =15761a(12) =22735a(13) =27241a(14) =86447