Least k such that 2^n+1+k is a prime.

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =0a(5) =4a(6) =2a(7) =2a(8) =0a(9) =8a(10) =6a(11) =4a(12) =2a(13) =16a(14) =26a(15) =2a(16) =0a(17) =28a(18) =2a(19) =20a(20) =6a(21) =16a(22) =14a(23) =8a(24) =42a(25) =34a(26) =14a(27) =28a(28) =2a(29) =10