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

Terms

a(0) =0a(1) =3a(2) =5a(3) =6a(4) =8a(5) =11a(6) =12a(7) =13a(8) =18a(9) =25a(10) =31a(11) =35a(12) =114a(13) =152a(14) =186a(15) =228a(16) =245a(17) =308a(18) =360a(19) =371a(20) =575a(21) =685a(22) =721a(23) =732a(24) =1361a(25) =2394a(26) =3138a(27) =3446a(28) =5964a(29) =9482