Numbers k such that k and k+2 are both prime binary self (or Colombian) numbers (A374102).

Terms

a(0) =311a(1) =599a(2) =641a(3) =881a(4) =1319a(5) =1697a(6) =1721a(7) =2657a(8) =2969a(9) =3257a(10) =4019a(11) =4127a(12) =4337a(13) =4721a(14) =5009a(15) =6449a(16) =6569a(17) =6689a(18) =6761a(19) =7547a(20) =9041a(21) =9239a(22) =10457a(23) =10529a(24) =11171a(25) =11699a(26) =11939a(27) =13691a(28) =16229a(29) =19379