Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly two bit positions.

A261074

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly two bit positions.

Terms

    a(0) =143a(1) =391a(2) =493a(3) =589a(4) =667a(5) =1517a(6) =1739a(7) =1927a(8) =2257a(9) =2419a(10) =2501a(11) =2773a(12) =2867a(13) =3599a(14) =4891a(15) =5293a(16) =5767a(17) =5893a(18) =6499a(19) =6901a(20) =7081a(21) =7169a(22) =7171a(23) =7387a(24) =7811a(25) =7957a(26) =8137a(27) =8453a(28) =8611a(29) =9379

External references